Jerry Wayne Spears

Works (131)

Updated: March 2nd, 2024 11:49

2024 journal article

Chromium propionate in turkeys: effect on performance and animal safety

POULTRY SCIENCE, 103(1).

By: J. Spears n, K. Lloyd n, K. Flores n, K. Krafka, J. Hyda & J. Grimes n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: chromium propionate; turkeys; performance; animal safety
Source: Web Of Science
Added: January 16, 2024

2024 journal article

Chromium propionate in turkeys: effects on insulin sensitivity

POULTRY SCIENCE, 103(1).

By: J. Spears n, K. Lloyd n, K. Krafka, J. Hyda & J. Grimes n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: turkeys; chromium propionate; insulin sensitivity; glucose
Source: Web Of Science
Added: January 2, 2024

2024 journal article

Research Note: Chromium propionate for turkeys: effect on tissue chromium concentrations and human food safety

POULTRY SCIENCE, 103(1).

By: J. Spears n, K. Lloyd n, K. Krafka, J. Hyda & J. Grimesy

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: turkey; chromium; tissue chromium
Source: Web Of Science
Added: December 11, 2023

2023 journal article

Dietary copper supplementation modulates performance and lipid metabolism in meat goat kids

JOURNAL OF INTEGRATIVE AGRICULTURE, 22(1), 214โ€“221.

By: Z. Yan-mei*, A. De*, L. Kai-wen*, J. Spears n, S. Hai-tao*, H. Yen-ling, Y. Fa-long*

co-author countries: China ๐Ÿ‡จ๐Ÿ‡ณ United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: copper; gene expression; goats; lipid metabolism; growth performance
Source: Web Of Science
Added: February 27, 2023

2023 journal article

Evaluation of Trace Mineral Sources

VETERINARY CLINICS OF NORTH AMERICA-FOOD ANIMAL PRACTICE, 39(3), 413โ€“424.

By: J. Spears n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: Trace mineral sources; Injectable trace minerals; Trace mineral boluses; Copper; Selenium; Zinc
Source: Web Of Science
Added: December 4, 2023

2023 article

The Influence of Trace Mineral Source on Rumen Trace Mineral Solubility and In-Vitro Fiber Digestion in Steers Fed a Lactating Dairy Diet

Loh, H. Y., Mezzomo, R., Gomes, D. I., Tangredi, B. V., Guimaraes, O., Gifford, R. J., โ€ฆ Engle, T. E. (2023, November 6). JOURNAL OF ANIMAL SCIENCE, Vol. 101, pp. 398โ€“399.

By: H. Lohโ€‰*, R. Mezzomoโ€‰*, D. Gomes*, B. Tangredi*, O. Guimaraes*, R. Gifford*, A. Miller*, J. Levenson* ...

co-author countries: Brazil ๐Ÿ‡ง๐Ÿ‡ท United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: in-vitro; trace mineral
Source: Web Of Science
Added: December 11, 2023

2022 review

INVITED REVIEW: Assessing trace mineral status in ruminants, and factors that affect measurements of trace mineral status

[Review of ]. APPLIED ANIMAL SCIENCE, 38(3), 252โ€“267.

By: J. Spears n, V. Brandao* & J. Heldt*

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: trace mineral status; ruminants; copper; zinc; manganese; selenium
Source: Web Of Science
Added: July 11, 2022

2022 journal article

Trace mineral source influences digestion, ruminal fermentation, and ruminal copper, zinc, and manganese distribution in steers fed a diet suitable for lactating dairy cows

ANIMAL, 16(4).

By: O. Guimaraes*, J. Wagnerโ€‰*, J. Spears n, V. Brandao* & T. Engleโ€‰*

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: Binding strength; Bioavailability; Cattle; Fiber digestibility; Mineral solubility
MeSH headings : Animal Feed / analysis; Animals; Cattle; Copper; Diet / veterinary; Digestion; Edetic Acid / metabolism; Edetic Acid / pharmacology; Fatty Acids, Volatile / metabolism; Female; Fermentation; Lactation; Manganese; Rumen / metabolism; Trace Elements; Zinc / pharmacology
Source: Web Of Science
Added: June 6, 2022

2021 journal article

Effects of supplemental zinc on ruminal fermentation in continuous cultures

Applied Animal Science, 37(1), 27โ€“32.

By: V. Fellner nโ€‰, S. Durosoy, V. Kromm & J. Spears n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: zinc; rumen; microbes; fermentation
Sources: Web Of Science, ORCID, Crossref
Added: October 12, 2021

2021 journal article

Trace mineral source impacts rumen trace mineral metabolism and fiber digestion in steers fed a medium-quality grass hay diet

JOURNAL OF ANIMAL SCIENCE, 99(9).

By: O. Guimaraes*, S. Jalali*, J. Wagnerโ€‰*, J. Spears n & T. Engle

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: binding strength; copper; volatile fatty acids; zinc
MeSH headings : Animals; Diet / veterinary; Dietary Fiber; Digestion; Rumen; Trace Elements
Source: Web Of Science
Added: November 1, 2021

2020 article

Chromium propionate improves insulin sensitivity in horses following oral concentrate consumption

Spears, J. W., Siciliano, P., Pratt-Phillips, S., Lloyd, K., Goertzen, E., Krafka, K., โ€ฆ Rounds, W. (2020, November). JOURNAL OF ANIMAL SCIENCE, Vol. 98, pp. 88โ€“88.

By: J. Spears n, P. Siciliano nโ€‰, S. Pratt-Phillipsโ€‰ n, K. Lloyd n, E. Goertzen n, K. Krafkaโ€‰*, J. Hydaโ€‰*, W. Rounds*

co-author countries: Belgium ๐Ÿ‡ง๐Ÿ‡ช United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: Chromium; Insulin; glucose; horses
Sources: Web Of Science, ORCID
Added: February 15, 2021

2020 journal article

Chromium propionate increases insulin sensitivity in horses following oral and intravenous carbohydrate administration

JOURNAL OF ANIMAL SCIENCE, 98(4).

By: J. Spears n, K. Lloyd n, P. Siciliano nโ€‰, S. Pratt-Phillipsโ€‰ n, E. Goertzen n, S. McLeod n, J. Moore n, K. Krafka, J. Hyda, W. Rounds

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: chromium propionate; glucose; horses; insulin
MeSH headings : Administration, Intravenous / veterinary; Administration, Oral; Animals; Blood Glucose / drug effects; Body Weight; Carbohydrates / administration & dosage; Dietary Supplements; Fatty Acids, Nonesterified / blood; Glucose / metabolism; Glucose Tolerance Test / veterinary; Horses / physiology; Insulin / blood; Insulin Resistance; Male; Propionates / administration & dosage; Propionates / pharmacology
Sources: Web Of Science, ORCID
Added: May 26, 2020

2020 journal article

Influence of supplemental copper, manganese, and zinc source on reproduction, mineral status, and performance in a grazing beef cow-calf herd over a 2-year period

APPLIED ANIMAL SCIENCE, 36(5), 745โ€“753.

By: S. Jalali*, K. Lippolis*, J. Ahola*, J. Wagnerโ€‰*, J. Spears n, D. Couch*, T. Engle

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: cattle; free-choice mineral; pasture; intake
Source: Web Of Science
Added: October 26, 2020

2020 article

Influence of trace mineral source on digestion, ruminal volatile fatty acid and soluble mineral on steers fed a dairy type diet balanced to meet requirements for a high producing lactating dairy cow

Guimaraes, O., Wagner, J., Spears, J., & Engle, T. (2020, November). JOURNAL OF ANIMAL SCIENCE, Vol. 98, pp. 133โ€“133.

By: O. Guimaraes*, J. Wagnerโ€‰*, J. Spears n & T. Engleโ€‰*

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: fiber digestibility; mineral solubility; cattle; trace minerals
Source: Web Of Science
Added: February 8, 2021

2020 journal article

Research Note: Responses of growth performance, immune traits, and small intestinal morphology to dietary supplementation of chromium propionate in heat-stressed broilers

Poultry Science, 99(10), 5070โ€“5073.

By: Y. Huangโ€‰*, Q. Luoโ€‰*, F. Xiao, X. Linโ€‰* & J. Spears n

co-author countries: China ๐Ÿ‡จ๐Ÿ‡ณ United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: chromium; heat-stressed broiler; growth performance; immunity; intestinal morphology
MeSH headings : Animal Feed / analysis; Animals; Chickens / growth & development; Chickens / immunology; Diet / veterinary; Dietary Supplements; Heat-Shock Response / drug effects; Immunity / drug effects; Intestine, Small / drug effects; Male; Propionates / pharmacology; Random Allocation
Sources: Web Of Science, Crossref, ORCID
Added: November 9, 2020

2020 article

Ruminal microbiota mineral requirements to optimize performance on different diets

Spears, J. W. (2020, November). JOURNAL OF ANIMAL SCIENCE, Vol. 98, pp. 139โ€“139.

By: J. Spears n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: Ruminal microorganisms; trace minerals; ruminal fermentation
Source: Web Of Science
Added: February 8, 2021

2020 article

The influence of trace mineral source on copper, manganese, and zinc binding strength to rumen digesta in cattle fed a high forage-based diet

Guimaraes, O., Loh, H. Y., Thorndykel, M. P., Tillquistl, N. M., Spears, J. W., & Engle, T. E. (2020, November). JOURNAL OF ANIMAL SCIENCE, Vol. 98, pp. 443โ€“443.

By: O. Guimaraes*, H. Lohโ€‰*, M. Thorndykel, N. Tillquistl, J. Spears n & T. Engleโ€‰*

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: digestibility; solubility; steers; trace minerals
Source: Web Of Science
Added: February 15, 2021

2020 article

The influence of trace minerals source on copper, manganese, and zinc binding strength to rumen digesta in cattle fed a corn silage-based diet

Guimaraes, O., Loh, H. Y., Thorndyke, M. P., Tillquist, N. M., Spears, J. W., & Engle, T. E. (2020, November). JOURNAL OF ANIMAL SCIENCE, Vol. 98, pp. 442โ€“442.

By: O. Guimaraes*, H. Lohโ€‰*, M. Thorndyke*, N. Tillquist*, J. Spears n & T. Engleโ€‰*

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: digestibility; solubility; steers; trace minerals
Source: Web Of Science
Added: February 15, 2021

2019 journal article

Boron, Chromium, Manganese, and Nickel in Agricultural Animal Production

BIOLOGICAL TRACE ELEMENT RESEARCH, 188(1), 35โ€“44.

By: J. Spears n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
MeSH headings : Agriculture; Animals; Animals, Domestic; Bone Development / drug effects; Boron / pharmacology; Chromium / pharmacology; Dietary Supplements; Manganese / pharmacology; Nickel / pharmacology; Trace Elements / pharmacology
Source: NC State University Libraries
Added: March 4, 2019

2019 journal article

Chromium propionate in broilers: human food and broiler safety

Poultry Science, 98(12), 6579โ€“6585.

By: J. Spears n, K. Lloyd n, C. Pickworth nโ€‰, Y. Huangโ€‰ n, K. Krafka, J. Hyda, J. Grimes n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: chromium; broilers; tissue chromium
MeSH headings : Animal Feed / analysis; Animals; Chickens / physiology; Diet / veterinary; Dietary Supplements / analysis; Dose-Response Relationship, Drug; Female; Food Safety; Humans; Male; Propionates / administration & dosage; Propionates / metabolism; Random Allocation; Tissue Distribution
Sources: Web Of Science, Crossref, ORCID
Added: January 13, 2020

2019 journal article

Effect of zinc source and concentration and chromium supplementation on performance and carcass characteristics in feedlot steers

JOURNAL OF ANIMAL SCIENCE, 97(3), 1286โ€“1295.

By: A. Buddeโ€‰*, K. Sellins*, K. Lloyd n, J. Wagnerโ€‰*, J. Heldt*, J. Spears n, T. Engle*

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: beef cattle; chromium; feedlot; zinc
MeSH headings : Abattoirs; Animal Feed / analysis; Animals; Body Composition; Cattle / physiology; Chromium / pharmacology; Diet / veterinary; Dietary Supplements; Liver / metabolism; Male; Random Allocation; Zea mays; Zinc / pharmacology
Source: Web Of Science
Added: March 18, 2019

2019 journal article

Trace mineral source influences ruminal distribution of copper and zinc and their binding strength to ruminal digesta

JOURNAL OF ANIMAL SCIENCE, 97(4), 1852โ€“1864.

By: E. Caldera*, B. Weigel*, V. Kucharczyk*, K. Sellins*, S. Archibequeโ€‰*, J. Wagnerโ€‰*, H. Han*, J. Spears n, T. Engleโ€‰*

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: digestibility; solubility; steers; trace minerals
MeSH headings : Animals; Cattle / physiology; Copper / metabolism; Diet / veterinary; Dietary Supplements; Male; Rumen / metabolism; Silage / analysis; Solubility; Trace Elements / metabolism; Zea mays; Zinc / metabolism
Source: Web Of Science
Added: April 22, 2019

2017 journal article

Bioavailability of zinc hydroxychloride relative to zinc sulfate in growing cattle fed a corn-cottonseed hull-based diet

ANIMAL FEED SCIENCE AND TECHNOLOGY, 232, 1โ€“5.

By: G. Shaeffer n, K. Lloyd n & J. Spears n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: Zinc; Zinc hydroxychloride; Zinc sulfate; Cattle
Source: Web Of Science
Added: August 6, 2018

2017 journal article

Chromium concentrations in ruminant feed ingredients

JOURNAL OF DAIRY SCIENCE, 100(5), 3584โ€“3590.

By: J. Spears n, K. Lloyd n & K. Krafka

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: chromium; cattle; feed ingredients; ruminants
MeSH headings : Animal Feed; Animals; Cattle; Chromium; Diet / veterinary; Digestion; Ruminants; Silage; Zea mays
Source: Web Of Science
Added: August 6, 2018

2016 journal article

Chromium propionate in broilers: effect on insulin sensitivity

POULTRY SCIENCE, 95(5), 1096โ€“1104.

By: M. Brooks n, J. Grimes n, K. Lloyd n, K. Krafka, A. Lamptey & J. Spears n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: chromium; insulin; broiler; glucose
MeSH headings : Animals; Blood Glucose / drug effects; Chickens; Fatty Acids, Nonesterified / blood; Glycogen / metabolism; Insulin Resistance; Liver / metabolism; Male; Muscle, Skeletal / metabolism; Propionates / pharmacology
Source: Web Of Science
Added: August 6, 2018

2016 journal article

Dietary Iron Deficiency and Oversupplementation Increase Intestinal Permeability, Ion Transport, and Inflammation in Pigs

JOURNAL OF NUTRITION, 146(8), 1499โ€“1505.

By: Y. Liโ€‰*, S. Hansen*, L. Borst nโ€‰, J. Spears n & A. Moeserโ€‰*

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: intestinal physiology; iron; intestinal barrier function; porcine; inflammation
MeSH headings : Animals; Biological Transport; Diet; Dietary Supplements; Duodenum; Inflammation / etiology; Inflammation / metabolism; Interleukin-1beta / metabolism; Interleukin-5 / metabolism; Intestinal Mucosa / physiopathology; Ions / metabolism; Iron / administration & dosage; Iron / metabolism; Iron Deficiencies; Iron, Dietary / administration & dosage; Iron, Dietary / metabolism; Liver; Male; Malondialdehyde / metabolism; Neutrophils / metabolism; Nutritional Status; Overnutrition; Permeability; Swine; Tumor Necrosis Factor-alpha / metabolism
Sources: Web Of Science, ORCID
Added: August 6, 2018

2016 journal article

Effects of Supplemental Chromium Propionate on Serum Lipids, Carcass Traits, and Meat Quality of Heat-Stressed Broilers

Biological Trace Element Research, 176(2), 401โ€“406.

By: F. Xiaoโ€‰*, D. Ao*, B. Zhouโ€‰*, J. Spears n, X. Lin n & Y. Huang*

co-author countries: China ๐Ÿ‡จ๐Ÿ‡ณ United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: Chromium; Heat-stressed broilers; Carcass traits; Serum lipids; Meat quality
MeSH headings : Animals; Chickens; Cholesterol, LDL / blood; Dietary Supplements; Heat Stress Disorders / blood; Heat Stress Disorders / metabolism; Hot Temperature; Male; Meat / analysis; Meat / standards; Propionates / administration & dosage; Propionates / metabolism; Propionates / pharmacology; Triglycerides / blood
Sources: Web Of Science, Crossref, ORCID
Added: August 6, 2018

2016 conference paper

History of chromium and its relationship to glucose metabolism

2016 Cornell Nutrition Conference for Feed Manufacturers, 1โ€“8.

By: J. Spears

Source: NC State University Libraries
Added: August 6, 2018

2015 article

Effect of dietary copper amount and source on copper metabolism and oxidative stress of weanling pigs in short-term feeding

Huang, Y. L., Ashwell, M. S., Fry, R. S., Lloyd, K. E., Flowers, W. L., & Spears, J. W. (2015, June). JOURNAL OF ANIMAL SCIENCE, Vol. 93, pp. 2948โ€“2955.

By: Y. Huang*, M. Ashwell n, R. Fry n, K. Lloyd n, W. Flowers n & J. Spears n

co-author countries: China ๐Ÿ‡จ๐Ÿ‡ณ United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: copper; copper metabolism; oxidative stress; pigs
MeSH headings : Animal Feed; Animal Nutritional Physiological Phenomena; Animals; Antioxidants / metabolism; Chlorides / pharmacology; Copper / metabolism; Copper Sulfate / pharmacology; Diet / veterinary; Dietary Supplements; Duodenum / metabolism; Gene Expression Regulation; Ileum / metabolism; Intestinal Mucosa / metabolism; Jejunum / metabolism; Liver / metabolism; Male; Malondialdehyde / metabolism; Oxidative Stress / drug effects; RNA, Messenger / genetics; RNA, Messenger / metabolism; Swine / physiology
Sources: Web Of Science, ORCID
Added: August 6, 2018

2013 journal article

Bioavailability in chicks of zinc from zinc propionate

JOURNAL OF APPLIED POULTRY RESEARCH, 22(2), 153โ€“159.

By: M. Brooks, J. Grimes n, K. Lloyd*, S. Verissimo n & J. Spears*

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: chick; trace mineral; bioavailability; zinc propionate; zinc sulfate
Source: Web Of Science
Added: August 6, 2018

2013 journal article

Effect of copper on performance, carcass characteristics, and muscle fatty acid composition of meat goat kids

Journal of Animal Science, 91(10), 5004โ€“5010.

By: Y. Huangโ€‰*, Y. Wang*, J. Spears n, X. Lin n & C. Guoโ€‰*

co-author countries: China ๐Ÿ‡จ๐Ÿ‡ณ United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: carcass characteristics; copper; fatty acid composition; meat goat kids; performance
MeSH headings : Animal Feed / analysis; Animal Nutritional Physiological Phenomena; Animals; Body Composition / drug effects; Copper / pharmacology; Diet / veterinary; Fatty Acids / genetics; Fatty Acids / metabolism; Goats / growth & development; Goats / physiology; Male; Muscle, Skeletal / chemistry; Muscle, Skeletal / metabolism; Reference Values
Sources: Web Of Science, Crossref, ORCID
Added: August 6, 2018

2013 journal article

Effect of dietary copper and breed on gene products involved in copper acquisition, distribution, and use in Angus and Simmental cows and fetuses

JOURNAL OF ANIMAL SCIENCE, 91(2), 861โ€“871.

By: R. Fry n, J. Spears n, K. Lloyd n, A. O'Nan n & M. Ashwell n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: breed; cattle; copper; deficiency; fetus; placentome
MeSH headings : Animals; Cattle / genetics; Cattle / metabolism; Copper / blood; Copper / pharmacokinetics; Copper / pharmacology; Female; Fetus / metabolism; Gene Expression Regulation / drug effects; Liver / metabolism; Minerals; Pregnancy
Sources: Web Of Science, ORCID
Added: August 6, 2018

2013 journal article

Effects of quaternary benzo(c)phenanthridine alkaloids on growth performance, shedding of organisms, and gastrointestinal tract integrity in pigs inoculated with multidrug-resistant Salmonella spp

American Journal of Veterinary Research, 74(12), 1530โ€“1535.

By: R. Robbins*, V. Artuso-Ponte, A. Moeser*, W. Morrow, J. Spears* & W. Gebreyes

MeSH headings : Animals; Bacterial Shedding / drug effects; Benzophenanthridines / pharmacology; Chlortetracycline / pharmacology; Drug Resistance, Multiple; Feces / microbiology; Gastrointestinal Tract / drug effects; Growth and Development / drug effects; Microbial Sensitivity Tests; Salmonella Infections, Animal / drug therapy; Swine; Swine Diseases / drug therapy; Swine Diseases / microbiology
Source: NC State University Libraries
Added: August 6, 2018

2012 journal article

Amount and source of dietary copper affects small intestine morphology, duodenal lipid peroxidation, hepatic oxidative stress, and mRNA expression of hepatic copper regulatory proteins in weanling pigs

JOURNAL OF ANIMAL SCIENCE, 90(9), 3112โ€“3119.

By: R. Fry n, M. Ashwell n, K. Lloyd n, A. O'Nan n, W. Flowers n, K. Stewart n, J. Spears n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: copper; copper proteins; mucosal histology; oxidative stress; pigs
MeSH headings : Animals; Copper / metabolism; Copper / pharmacology; Duodenum / drug effects; Duodenum / metabolism; Gene Expression Regulation / drug effects; Intestinal Mucosa / drug effects; Lipid Peroxidation / drug effects; Liver / metabolism; Male; Malondialdehyde / metabolism; Oxidative Stress / drug effects; RNA, Messenger / genetics; RNA, Messenger / metabolism; Real-Time Polymerase Chain Reaction / veterinary; Swine / blood; Swine / metabolism
Sources: Web Of Science, ORCID
Added: August 6, 2018

2012 journal article

Chromium propionate enhances insulin sensitivity in growing cattle

JOURNAL OF DAIRY SCIENCE, 95(4), 2037โ€“2045.

By: J. Spears n, C. Whisnant n, G. Huntington n, K. Lloyd n, R. Fry n, K. Krafka, A. Lamptey, J. Hyda

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: chromium; insulin sensitivity; cattle
MeSH headings : Animals; Blood Glucose / analysis; Cattle / growth & development; Diet / veterinary; Dietary Supplements; Fatty Acids, Nonesterified / blood; Female; Glucose / administration & dosage; Glucose Tolerance Test; Insulin / blood; Propionates / administration & dosage; Zea mays
Source: Web Of Science
Added: August 6, 2018

2012 journal article

Relative bioavailability in chicks of manganese from manganese propionate

JOURNAL OF APPLIED POULTRY RESEARCH, 21(1), 126โ€“130.

By: M. Brooks, J. Grimes n, K. Lloyd*, F. Valdez & J. Spears*

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: bioavailability; chick; manganese; manganese propionate; trace mineral
Source: Web Of Science
Added: August 6, 2018

2011 journal article

Effect of dietary boron on physiological responses in growing steers inoculated with bovine herpesvirus type-1

RESEARCH IN VETERINARY SCIENCE, 90(1), 78โ€“83.

By: R. Fry n, T. Brown n, K. Lloyd n, S. Hansen n, L. Legleiter n, W. Robarge n, J. Spears n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: Boron; Cattle; BHV-1; Acute phase proteins; Cytokines; Plasma B
MeSH headings : Acute-Phase Reaction; Animal Feed / analysis; Animal Nutritional Physiological Phenomena; Animals; Body Temperature; Boron / pharmacology; Cattle; Cytokines / blood; Diet / veterinary; Dietary Supplements; Dose-Response Relationship, Drug; Eating / drug effects; Herpesvirus 1, Bovine; Infectious Bovine Rhinotracheitis / immunology; Male; Time Factors; Weight Gain / drug effects
Source: Web Of Science
Added: August 6, 2018

2011 journal article

Investigation of breed and sex effects on cytochrome P450 gene expression in cattle liver

RESEARCH IN VETERINARY SCIENCE, 90(2), 235โ€“237.

By: M. Ashwell n, R. Fry n, J. Spears n, A. O'Nan n & C. Maltecca nโ€‰

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ

Contributors: M. Ashwell n, R. Fry n, J. Spears n, . A.T. O'Nan n & C. Maltecca nโ€‰

author keywords: Cytochrome P450; Cattle; Gene expression; Liver
MeSH headings : Animals; Cattle / genetics; Cattle / metabolism; Cytochrome P-450 Enzyme System / genetics; Cytochrome P-450 Enzyme System / metabolism; Female; Gene Expression Regulation, Enzymologic / genetics; Gene Expression Regulation, Enzymologic / physiology; Liver / enzymology; Male; Sex Characteristics
Sources: Web Of Science, ORCID
Added: August 6, 2018

2011 journal article

Tolerance of cattle to increased dietary sulfur and effect of dietary cation-anion balance

JOURNAL OF ANIMAL SCIENCE, 89(8), 2502โ€“2509.

By: J. Spears n, K. Lloyd n & R. Fry n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: cattle; copper; selenium; sulfur
MeSH headings : Animal Feed / analysis; Animal Nutritional Physiological Phenomena; Animals; Body Composition; Cattle / growth & development; Copper / blood; Copper / metabolism; Diet / veterinary; Liver; Male; Sulfur / adverse effects; Sulfur / metabolism; Zinc / blood
Source: Web Of Science
Added: August 6, 2018

2010 journal article

Age and Dietary Iron Affect Expression of Genes Involved in Iron Acquisition and Homeostasis in Young Pigs

JOURNAL OF NUTRITION, 140(2), 271โ€“277.

By: S. Hansen n, N. Trakooljul n, J. Spears n & H. Liu n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
MeSH headings : Aging / genetics; Aging / physiology; Animals; Antimicrobial Cationic Peptides / genetics; Antimicrobial Cationic Peptides / metabolism; Cation Transport Proteins / genetics; Cation Transport Proteins / metabolism; Down-Regulation; Duodenum / metabolism; Gene Expression / drug effects; Hemoglobins / metabolism; Hepcidins; Homeostasis; Intestinal Absorption; Intestinal Mucosa / metabolism; Iron / blood; Iron / metabolism; Iron, Dietary / blood; Iron, Dietary / pharmacology; Iron-Binding Proteins / genetics; Iron-Binding Proteins / metabolism; Liver / metabolism; Male; Myocardium / metabolism; RNA, Messenger / metabolism; Receptors, Transferrin / genetics; Receptors, Transferrin / metabolism; Reverse Transcriptase Polymerase Chain Reaction; Scavenger Receptors, Class A / genetics; Scavenger Receptors, Class A / metabolism; Swine
Source: Web Of Science
Added: August 6, 2018

2010 journal article

Ctr1 Is an Apical Copper Transporter in Mammalian Intestinal Epithelial Cells in Vivo That Is Controlled at the Level of Protein Stability

JOURNAL OF BIOLOGICAL CHEMISTRY, 285(42), 32385โ€“32392.

By: Y. Noseโ€‰*, L. Wood*, B. Kim*, J. Prohaska*, R. Fry n, J. Spears n, D. Thiele*

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
Source: Web Of Science
Added: August 6, 2018

2010 journal article

Effect of dietary boron on immune function in growing beef steers*

JOURNAL OF ANIMAL PHYSIOLOGY AND ANIMAL NUTRITION, 94(3), 273โ€“279.

By: R. Fry n, K. Lloyd n, S. Jacobi n, P. Siciliano nโ€‰, W. Robarge n & J. Spears n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: cattle; boron; immunoglobulins; cytokines; lymphocytes
MeSH headings : Animal Feed; Animal Nutritional Physiological Phenomena; Animals; Boron / administration & dosage; Boron / blood; Boron / pharmacology; Cattle / growth & development; Cattle / immunology; Diet / veterinary; Dietary Supplements; Dose-Response Relationship, Drug; Male; Phytohemagglutinins / immunology; Time Factors; Weight Gain
Sources: Web Of Science, ORCID
Added: August 6, 2018

2010 journal article

Effects of supplementing dairy cows with chromium propionate on milk and tissue chromium concentrations

JOURNAL OF DAIRY SCIENCE, 93(10), 4774โ€“4780.

By: K. Lloyd n, V. Fellner nโ€‰, S. McLeod n, R. Fry n, K. Krafka, A. Lamptey, J. Spears n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: chromium; dairy cattle; milk; tissue
MeSH headings : Animal Feed; Animal Nutritional Physiological Phenomena; Animals; Cattle / metabolism; Diet / veterinary; Dietary Supplements; Female; Milk / chemistry; Propionates / administration & dosage
Sources: Web Of Science, ORCID
Added: August 6, 2018

2010 journal article

Effects of water quality and dietary potassium on performance and carcass characteristics of yearling steers

JOURNAL OF ANIMAL SCIENCE, 88(1), 296โ€“305.

By: J. Sexson*, J. Wagnerโ€‰*, T. Engleโ€‰* & J. Spears n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: cation-anion balance; potassium carbonate; potassium chloride; water quality
MeSH headings : Animal Feed / analysis; Animal Nutritional Physiological Phenomena; Animals; Body Composition / drug effects; Cattle / growth & development; Diet / veterinary; Drinking; Male; Potassium, Dietary / pharmacology; Water / pharmacology; Water Purification; Water-Electrolyte Balance / drug effects
Source: Web Of Science
Added: August 6, 2018

2010 journal article

High dietary iron reduces transporters involved in iron and manganese metabolism and increases intestinal permeability in calves

JOURNAL OF DAIRY SCIENCE, 93(2), 656โ€“665.

By: S. Hansen n, M. Ashwell n, A. Moeser n, R. Fry n, M. Knutsonโ€‰* & J. Spears n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: cattle; iron; manganese; metal transporter
MeSH headings : Animals; Body Weight / physiology; Cattle / metabolism; Cattle / physiology; Diet / veterinary; Duodenum / chemistry; Duodenum / drug effects; Gene Expression Regulation / drug effects; Heart / drug effects; Iron / analysis; Iron / blood; Iron / metabolism; Iron, Dietary / metabolism; Iron, Dietary / pharmacology; Liver / drug effects; Liver / metabolism; Male; Manganese / analysis; Manganese / blood; Manganese / metabolism; Membrane Transport Proteins / metabolism; Myocardium / chemistry; Oxidative Stress / drug effects
Sources: Web Of Science, ORCID
Added: August 6, 2018

2010 journal article

Proteins involved in iron metabolism in beef cattle are affected by copper deficiency in combination with high dietary manganese, but not by copper deficiency alone

JOURNAL OF ANIMAL SCIENCE, 88(1), 275โ€“283.

By: S. Hansen n, N. Trakooljul n, H. Liu n, J. Hicks n, M. Ashwell n & J. Spears n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: cattle; copper; iron; metal transporter
MeSH headings : Animal Feed; Animal Nutritional Physiological Phenomena; Animals; Cation Transport Proteins / genetics; Cation Transport Proteins / metabolism; Cattle; Copper / blood; Copper / deficiency; Diet / veterinary; Dose-Response Relationship, Drug; Female; Gene Expression Regulation / drug effects; Iron / metabolism; Male; Manganese / administration & dosage; Manganese / pharmacology
Sources: Web Of Science, ORCID
Added: August 6, 2018

2009 journal article

Bioaccessibility of iron from soil is increased by silage fermentation

JOURNAL OF DAIRY SCIENCE, 92(6), 2896โ€“2905.

By: S. Hansen n & J. Spears n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: bioavailability; cattle; iron; silage
MeSH headings : Abomasum / metabolism; Animals; Cattle; Fermentation / physiology; Intestinal Mucosa / metabolism; Iron / pharmacokinetics; Least-Squares Analysis; Rumen / metabolism; Silage / analysis; Soil / analysis; Time Factors; Zea mays / metabolism
Source: Web Of Science
Added: August 6, 2018

2009 journal article

Iron Transporters Are Differentially Regulated by Dietary Iron, and Modifications Are Associated with Changes in Manganese Metabolism in Young Pigs

JOURNAL OF NUTRITION, 139(8), 1474โ€“1479.

By: S. Hansen n, N. Trakooljul n, H. Liu n, A. Moeser n & J. Spears n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
MeSH headings : Animals; Antimicrobial Cationic Peptides / metabolism; Cation Transport Proteins / genetics; Cation Transport Proteins / metabolism; Copper / metabolism; Dietary Supplements; Duodenum / metabolism; Gene Expression; Hemoglobins / metabolism; Hepcidins; Ion Transport / drug effects; Iron / metabolism; Iron, Dietary / pharmacology; Liver / metabolism; Male; Manganese / metabolism; Swine; Trace Elements / pharmacology; Weight Gain / drug effects
Source: Web Of Science
Added: August 6, 2018

2009 journal article

Technical note: Copper chaperone for copper, zinc superoxide dismutase: A potential biomarker for copper status in cattle

JOURNAL OF ANIMAL SCIENCE, 87(12), 4161โ€“4166.

By: J. Hepburn*, J. Arthingtonโ€‰*, S. Hansen n, J. Spears n & M. Knutsonโ€‰*

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: acute-phase reaction; cattle; chaperone protein; copper
MeSH headings : Animals; Biomarkers / analysis; Biomarkers / blood; Blotting, Western / veterinary; Cattle / metabolism; Cattle / physiology; Ceruloplasmin / analysis; Copper / analysis; Copper / blood; Copper / deficiency; Female; Haptoglobins / analysis; Liver / chemistry; Liver / enzymology; Male; Molecular Chaperones / analysis; Molecular Chaperones / blood; Superoxide Dismutase / analysis; Superoxide Dismutase / blood
Source: Web Of Science
Added: August 6, 2018

2009 journal article

The addition of high manganese to a copper-deficient diet further depresses copper status and growth of cattle

BRITISH JOURNAL OF NUTRITION, 101(7), 1068โ€“1078.

By: S. Hansen n, M. Ashwell n, L. Legleiter n, R. Fry n, K. Lloyd n & J. Spears n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: Cattle; Copper; Growth; Manganese
MeSH headings : Animal Feed; Animal Nutritional Physiological Phenomena; Animals; Body Weight / drug effects; Cattle / growth & development; Cattle / metabolism; Copper / deficiency; Cyclooxygenase 1 / genetics; Depression, Chemical; Female; Gene Expression / drug effects; Liver / metabolism; Male; Manganese / administration & dosage; Manganese / analysis; Nutritional Status; Random Allocation; Reverse Transcriptase Polymerase Chain Reaction / methods; Superoxide Dismutase / genetics; Superoxide Dismutase-1; Time Factors
Sources: Web Of Science, ORCID
Added: August 6, 2018

2008 journal article

Bioavailability of copper from copper glycinate in steers fed high dietary sulfur and molybdenum

JOURNAL OF ANIMAL SCIENCE, 86(1), 173โ€“179.

By: S. Hansen n, P. Schlegel, L. Legleiter n, K. Lloyd n & J. Spears n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: bioavailability; cattle; copper glycinate; copper sulfate; growth
MeSH headings : Animal Feed / analysis; Animal Nutritional Physiological Phenomena; Animals; Biological Availability; Cattle; Copper / pharmacokinetics; Diet / veterinary; Dietary Supplements; Dose-Response Relationship, Drug; Glycine / pharmacokinetics; Male; Molybdenum / pharmacology; Organometallic Compounds / pharmacokinetics; Sulfur / pharmacology
Source: Web Of Science
Added: August 6, 2018

2008 journal article

Copper deficiency in the young bovine results in dramatic decreases in brain copper concentration but does not alter brain prion protein biology

JOURNAL OF ANIMAL SCIENCE, 86(11), 3069โ€“3078.

By: L. Legleiter n, J. Spears n & H. Liu n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: bovine; copper; manganese; prion
MeSH headings : Animals; Blotting, Western; Brain Stem / enzymology; Brain Stem / metabolism; Cattle / metabolism; Cattle / physiology; Copper / deficiency; Copper / metabolism; Diet / veterinary; Female; Liver / metabolism; Male; Manganese / analysis; Manganese / metabolism; Peptide Hydrolases / metabolism; Pregnancy; Prions / metabolism; Prions / physiology; Random Allocation; Superoxide Dismutase / metabolism; Time Factors
Source: Web Of Science
Added: August 6, 2018

2008 journal article

Interaction of calcium and phytate in broiler diets. 1. Effects on apparent prececal digestibility and retention of phosphorus

POULTRY SCIENCE, 87(3), 449โ€“458.

By: P. Plumstead n, A. Leytem*, R. Maguire*, J. Spears n, P. Kwanyuen* & J. Brake n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: broiler; phosphorus; soybean meal; phytate; environment
MeSH headings : Animal Feed; Animal Nutritional Physiological Phenomena; Animals; Calcium, Dietary / administration & dosage; Calcium, Dietary / pharmacology; Chickens / growth & development; Chickens / metabolism; Digestion / drug effects; Dose-Response Relationship, Drug; Female; Ileum / metabolism; Intestinal Absorption / drug effects; Male; Nutritive Value; Phosphorus, Dietary / pharmacokinetics; Phytic Acid / administration & dosage; Phytic Acid / pharmacology; Random Allocation; Soybeans
Source: Web Of Science
Added: August 6, 2018

2008 journal article

Role of antioxidants and trace elements in health and immunity of transition dairy cows

Veterinary Journal, 176(1), 70โ€“76.

By: J. Spears & W. Weiss

Source: NC State University Libraries
Added: August 6, 2018

2008 journal article

Uptake of zinc from zinc sulfate and zinc proteinate by ovine ruminal and omasal epithelia

JOURNAL OF ANIMAL SCIENCE, 86(6), 1357โ€“1363.

By: C. Wright n, J. Spears n & K. Webb*

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: rumen; omasum; parabiotic; proteinate; zinc
MeSH headings : Absorption; Animal Feed; Animal Nutritional Physiological Phenomena; Animals; Dose-Response Relationship, Drug; Epithelial Cells / metabolism; Male; Omasum / metabolism; Random Allocation; Rumen / metabolism; Sheep / metabolism; Zinc / pharmacokinetics; Zinc Radioisotopes; Zinc Sulfate / pharmacokinetics
Source: Web Of Science
Added: August 6, 2018

2007 journal article

Decreased brain copper due to copper deficiency has no effect on bovine prion proteins

BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS, 352(4), 884โ€“888.

By: L. Legleiter n, J. Ahola*, T. Engleโ€‰* & J. Spears n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: bovine; brain; copper; prion protein; copper deficiency; bovine spongiform encephalopathy
MeSH headings : Animals; Brain / metabolism; Cattle; Copper / deficiency; Copper / metabolism; Manganese / metabolism; Molecular Weight; Prion Diseases / metabolism; Prions / metabolism; Superoxide Dismutase / metabolism
Source: Web Of Science
Added: August 6, 2018

2007 journal article

Effects of dietary metabolizable energy and protein on early growth responses of broilers to dietary lysine

POULTRY SCIENCE, 86(12), 2639โ€“2648.

By: P. Plumstead n, H. Romero-Sanchez*, N. Paton, J. Spears n & J. Brake n

co-author countries: Colombia ๐Ÿ‡จ๐Ÿ‡ด United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: broiler; protein; lysine; amino acid; metabolizable energy
MeSH headings : Animal Feed; Animal Nutritional Physiological Phenomena; Animals; Chickens / growth & development; Diet / veterinary; Dietary Fats / pharmacology; Dietary Proteins / pharmacology; Dietary Supplements; Energy Metabolism / physiology; Female; Lysine / pharmacology; Male
Source: Web Of Science
Added: August 6, 2018

2007 journal article

Effects of tribasic copper chloride versus copper sulfate provided in corn- and molasses-based supplements on forage intake and copper status of beef heifers

JOURNAL OF ANIMAL SCIENCE, 85(3), 871โ€“876.

By: J. Arthington & J. Spears n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: copper; heifer; cattle; corn; molasses
MeSH headings : Animal Feed / analysis; Animal Nutritional Physiological Phenomena; Animals; Biological Availability; Cattle / physiology; Chlorides / administration & dosage; Chlorides / pharmacology; Copper / administration & dosage; Copper / analysis; Copper / metabolism; Copper / pharmacology; Copper Sulfate / administration & dosage; Copper Sulfate / metabolism; Copper Sulfate / pharmacology; Diet / veterinary; Dietary Supplements; Feeding Behavior / drug effects; Feeding Behavior / physiology; Female; Liver / chemistry; Liver / metabolism; Molasses; Zea mays
Source: Web Of Science
Added: August 6, 2018

2007 journal article

Exposure to low dietary copper or low copper coupled with high dietary manganese for one year does not alter brain prion protein characteristics in the mature cow

JOURNAL OF ANIMAL SCIENCE, 85(11), 2895โ€“2903.

By: L. Legleiter n, H. Liu n, K. Lloyd n, S. Hansen n, R. Fry n & J. Spears n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: bovine; copper; manganese; prion
MeSH headings : Animals; Blotting, Western / veterinary; Brain / metabolism; Cattle; Copper / administration & dosage; Copper / deficiency; Dose-Response Relationship, Drug; Encephalopathy, Bovine Spongiform / metabolism; Enzyme-Linked Immunosorbent Assay / veterinary; Female; Manganese / administration & dosage; Molecular Weight; Prions / drug effects; Prions / pathogenicity; Random Allocation
Source: Web Of Science
Added: August 6, 2018

2007 journal article

Plasma diamine oxidase: A biomarker of copper deficiency in the bovine

JOURNAL OF ANIMAL SCIENCE, 85(9), 2198โ€“2204.

By: L. Legleiter n & J. Spears n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: cattle; copper deficiency; diamine oxidase
MeSH headings : Amine Oxidase (Copper-Containing) / blood; Amine Oxidase (Copper-Containing) / metabolism; Animal Feed; Animal Nutritional Physiological Phenomena; Animals; Biomarkers / blood; Biomarkers / metabolism; Cattle / blood; Cattle / growth & development; Cattle / metabolism; Ceruloplasmin / metabolism; Copper / administration & dosage; Copper / blood; Copper / deficiency; Dose-Response Relationship, Drug; Female; Liver / metabolism; Male; Manganese / administration & dosage; Molybdenum / administration & dosage; Nutritional Status; Sensitivity and Specificity; Weight Gain / drug effects
Source: Web Of Science
Added: August 6, 2018

2006 journal article

Effect of chromium supplementation and copper status on glucose and lipid metabolism in Angus and Simmental beef cows

ANIMAL FEED SCIENCE AND TECHNOLOGY, 128(3-4), 253โ€“265.

By: H. Stahlhut n, C. Whisnant n, K. Lloyd n, E. Baird n, L. Legleiter n, S. Hansen n, J. Spears n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: chromium; cattle; copper; glucose tolerance
Source: Web Of Science
Added: August 6, 2018

2006 journal article

Effect of chromium supplementation and copper status on performance and reproduction of beef cows

ANIMAL FEED SCIENCE AND TECHNOLOGY, 128(3-4), 266โ€“275.

By: H. Stahlhut n, C. Whisnant n & J. Spears n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: chromium; cattle; reproduction; performance
Source: Web Of Science
Added: August 6, 2018

2006 journal article

Effects of a slow-release urea source on absorption of ammonia and endogenous production of urea by cattle

ANIMAL FEED SCIENCE AND TECHNOLOGY, 130(3-4), 225โ€“241.

By: G. Huntington n, D. Harmonโ€‰*, N. Kristensen, K. Hanson* & J. Spears n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: steers; urea; ammonia; rumen
Source: Web Of Science
Added: August 6, 2018

2006 journal article

Feeding a low manganese diet to heifers during gestation impairs fetal growth and development

JOURNAL OF DAIRY SCIENCE, 89(11), 4305โ€“4311.

By: S. Hansen n, J. Spears n, K. Lloyd n & C. Whisnant n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: fetal development; heifer; manganese; reproduction
MeSH headings : Animal Feed / analysis; Animals; Body Weight / drug effects; Cattle / physiology; Cholesterol / blood; Diet / veterinary; Female; Fetal Development / drug effects; Fetal Development / physiology; Lactation; Manganese / administration & dosage; Manganese / blood; Manganese / deficiency; Pregnancy
Source: Web Of Science
Added: August 6, 2018

2006 journal article

Growth, reproductive performance, and manganese status of heifers fed varying concentrations of manganese

JOURNAL OF ANIMAL SCIENCE, 84(12), 3375โ€“3380.

By: S. Hansen n, J. Spears n, K. Lloyd n & C. Whisnant n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: cattle; growth; manganese; reproduction
MeSH headings : Animal Feed; Animal Nutritional Physiological Phenomena; Animals; Cattle; Diet; Dietary Supplements; Dose-Response Relationship, Drug; Female; Manganese / pharmacology; Reproduction / drug effects; Trace Elements / pharmacology
Source: Web Of Science
Added: August 6, 2018

2006 journal article

Influence of cobalt concentration on vitamin B-12 production and fermentation of mixed ruminal microorganisms grown in continuous culture flow-through fermentors

JOURNAL OF ANIMAL SCIENCE, 84(3), 635โ€“640.

By: M. Tiffany n, V. Fellner nโ€‰ & J. Spears n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: cobalt; ruminal culture; succinate; vitamin B-12
MeSH headings : Ammonia / analysis; Animal Feed / analysis; Animals; Cattle / physiology; Cobalt / administration & dosage; Cobalt / pharmacology; Culture Techniques / instrumentation; Culture Techniques / veterinary; Fatty Acids, Volatile / analysis; Female; Fermentation / drug effects; Hydrogen-Ion Concentration / drug effects; Methane / biosynthesis; Rumen / chemistry; Rumen / drug effects; Rumen / microbiology; Succinic Acid / analysis; Vitamin B 12 / analysis; Vitamin B 12 / biosynthesis
Sources: Web Of Science, ORCID
Added: August 6, 2018

2005 journal article

Differential responses to dietary cobalt in finishing steers fed corn-versus barley-based diets

Journal of Animal Science, 83(11), 2580โ€“2589.

By: M. Tiffany n & J. Spears n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
MeSH headings : Animal Feed; Animals; Body Composition / drug effects; Cattle / growth & development; Cobalt / administration & dosage; Cobalt / pharmacology; Diet / veterinary; Dietary Supplements; Folic Acid / blood; Hordeum / metabolism; Male; Rumen / metabolism; Vitamin B 12 / blood; Weight Gain; Zea mays / metabolism
Source: NC State University Libraries
Added: August 6, 2018

2005 journal article

Influence of dietary manganese on performance, lipid metabolism, and carcass composition of growing and finishing steers

Journal of Animal Science, 83(10), 2434โ€“2439.

By: L. Legleiter n, J. Spears n & K. Lloyd n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
MeSH headings : Animal Feed / analysis; Animals; Body Composition / drug effects; Body Weight / drug effects; Cattle / physiology; Diet / veterinary; Dietary Supplements; Lipid Metabolism / drug effects; Male; Manganese / administration & dosage; Manganese / analysis; Manganese / pharmacology; Random Allocation
Source: NC State University Libraries
Added: August 6, 2018

2005 journal article

The effect of early weaning on feedlot performance and measures of stress in beef calves

Journal of Animal Science, 83(4), 933โ€“939.

By: J. Arthingtonโ€‰*, J. Spears n & D. Miller n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
MeSH headings : Animal Husbandry / methods; Animals; Body Composition / physiology; Body Weight; Cattle / growth & development; Ceruloplasmin / analysis; Feeding Methods / standards; Feeding Methods / veterinary; Haptoglobins / analysis; Male; Random Allocation; Stress, Physiological / veterinary; Time Factors; Transportation; Weaning
Source: NC State University Libraries
Added: August 6, 2018

2004 journal article

Bioavailability of copper from tribasic copper chloride and copper sulfate in growing cattle

ANIMAL FEED SCIENCE AND TECHNOLOGY, 116(1-2), 1โ€“13.

By: J. Spears n, E. Kegley n & L. Mullis n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: copper; steers; bioavailability
Source: Web Of Science
Added: August 6, 2018

2004 journal article

Bioavailability of zinc from zinc sulfate and different organic zinc sources and their effects on ruminal volatile fatty acid proportions

LIVESTOCK PRODUCTION SCIENCE, 90(2-3), 211โ€“217.

By: J. Spears n, P. Schlegel, M. Seal n & K. Lloyd n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: cattle; organic zinc; zinc
Source: Web Of Science
Added: August 6, 2018

2004 journal article

Effect of dietary copper source (cupric citrate and,cupric sulfate) and concentration on growth performance and fecal copper excretion in weanling pigs

Journal of Animal Science, 82(4), 1234โ€“1240.

By: T. Armstrong*, D. Cook, M. Ward, C. Williams* & J. Spears*

Source: NC State University Libraries
Added: August 6, 2018

2004 journal article

Effect of dietary trace mineral concentration and source (inorganic vs. chelated) on performance, mineral status, and fecal mineral excretion in pigs from weaning through finishing

Journal of Animal Science, 82(7), 2140โ€“2147.

By: B. Creech n, J. Spears n, W. Flowers n, G. Hillโ€‰*, K. Lloyd n, T. Armstrong n, T. Engle n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
MeSH headings : Animal Feed; Animal Nutritional Physiological Phenomena; Animals; Chelating Agents / pharmacology; Copper / administration & dosage; Copper / metabolism; Dose-Response Relationship, Drug; Feces / chemistry; Female; Iron / administration & dosage; Iron / metabolism; Manganese / administration & dosage; Manganese / metabolism; Nutritional Status; Random Allocation; Swine / growth & development; Swine / metabolism; Trace Elements / administration & dosage; Trace Elements / metabolism; Weaning; Zinc / administration & dosage; Zinc / metabolism
Source: NC State University Libraries
Added: August 6, 2018

2004 journal article

Effect of finishing system (feedlot or pasture), high-oil maize, and copper on conjugated linoleic acid and other fatty acids in muscle of finishing steers

Animal Science (Penicuik, Scotland), 78(2), 261โ€“269.

By: T. Engle & J. Spears

Source: NC State University Libraries
Added: August 6, 2018

2004 journal article

Effect of zinc source and dietary level on zinc metabolism in Holstein calves

JOURNAL OF DAIRY SCIENCE, 87(4), 1085โ€“1091.

By: C. Wright n & J. Spears n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: zinc; proteinate; bioavailability; cattle
MeSH headings : Alkaline Phosphatase / blood; Animal Nutritional Physiological Phenomena; Animals; Cattle / metabolism; Chelating Agents; Diet; Duodenum / chemistry; Hoof and Claw / chemistry; Kidney / chemistry; Liver / chemistry; Male; Metallothionein / analysis; Proteins / administration & dosage; Zinc / administration & dosage; Zinc / analysis; Zinc / pharmacokinetics; Zinc Sulfate / administration & dosage
Source: Web Of Science
Added: August 6, 2018

2004 journal article

Effects of dietary zinc on performance and immune response of growing pigs inoculated with porcine reproductive and respiratory syndrome virus and mycoplasma hyopneumoniae

ASIAN-AUSTRALASIAN JOURNAL OF ANIMAL SCIENCES, 17(10), 1438โ€“1446.

By: E. Roberts, E. Heugten, J. Spears*, P. Routh*, K. Lloyd & G. Almond*โ€‰

author keywords: pigs; PRRSv; zinc; growth; immune response
Sources: Web Of Science, ORCID
Added: August 6, 2018

2004 journal article

Growth performance, carcass characteristics, plasma minerals, and fecal mineral excretion in grower-finisher swine fed diets with levels of trace minerals lower than common industry levels

Journal of Swine Health and Production, 12(5), 237โ€“241.

By: E. Van Heugten, P. O'Quinn, D. Funderburke, W. Flowers & J. Spears

Source: NC State University Libraries
Added: August 6, 2018

2003 journal article

Advances in mineral nutrition for ruminants studied

Feedstuffs, 75(29), 12.

By: J. Spears

Source: NC State University Libraries
Added: August 6, 2018

2003 journal article

Effect of boron supplementation of pig diets on the production of tumor necrosis factor-alpha and interferon-gamma

Journal of Animal Science, 81(10), 2552โ€“2561.

By: T. Armstrong n & J. Spears n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
MeSH headings : Animals; Boron / administration & dosage; Boron / pharmacology; Dietary Supplements; Inflammation / blood; Inflammation / immunology; Inflammation / veterinary; Injections, Intramuscular / veterinary; Interferon-gamma / biosynthesis; Interferon-gamma / drug effects; Kinetics; Lipopolysaccharides / immunology; Lipopolysaccharides / pharmacology; Phytohemagglutinins / immunology; Phytohemagglutinins / pharmacology; Random Allocation; Swine / immunology; Swine Diseases / blood; Swine Diseases / immunology; Tumor Necrosis Factor-alpha / biosynthesis; Tumor Necrosis Factor-alpha / drug effects
Source: NC State University Libraries
Added: August 6, 2018

2003 journal article

Effect of copper source and level on performance and copper status of cattle consuming molasses-based supplements

Journal of Animal Science, 81(6), 1357โ€“1362.

By: J. Arthingtonโ€‰*, F. Pate* & J. Spears n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
MeSH headings : Animal Feed; Animal Nutritional Physiological Phenomena; Animals; Biological Availability; Body Weight / drug effects; Cattle / growth & development; Cattle / metabolism; Ceruloplasmin / metabolism; Copper / administration & dosage; Copper / chemistry; Copper / pharmacokinetics; Cottonseed Oil; Cynodon; Dose-Response Relationship, Drug; Female; Intestinal Absorption; Liver / chemistry; Liver / metabolism; Male; Molasses; Nutritional Status; Paspalum; Random Allocation
Source: NC State University Libraries
Added: August 6, 2018

2003 journal article

Effects of breed (Angus vs Simmental) and copper and zinc source on mineral status of steers fed high dietary iron

Journal of Animal Science, 81(1), 318โ€“322.

By: L. Mullis n, J. Spears n & R. McCraw n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
MeSH headings : Animals; Biological Availability; Breeding; Cattle / genetics; Cattle / metabolism; Ceruloplasmin / metabolism; Copper / administration & dosage; Copper / blood; Copper / pharmacokinetics; Copper Sulfate / administration & dosage; Iron, Dietary / administration & dosage; Iron, Dietary / metabolism; Liver / chemistry; Liver / enzymology; Male; Nutritional Requirements; Nutritional Status; Random Allocation; Zinc / administration & dosage; Zinc / blood; Zinc / pharmacokinetics; Zinc Sulfate / administration & dosage
Source: NC State University Libraries
Added: August 6, 2018

2003 journal article

Effects of high dietary calcium propionate and dietary cation-anion balance on calcium metabolism and longissimus muscle tenderness in finishing steers

Professional Animal Scientists, 19(6), 424.

By: J. Spears*, T. Engle*, W. Platter*, K. Lloyd*, K. Belk* & J. Horton n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
Source: NC State University Libraries
Added: August 6, 2018

2003 journal article

Effects of organic forms of zinc on growth performance, tissue zinc distribution, and immune response of weanling pigs

Journal of Animal Science, 81(8), 2063โ€“2071.

By: E. Heugtenโ€‰ n, J. Spears n, E. Kegley*, J. Ward* & M. Qureshi n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
MeSH headings : Animal Nutritional Physiological Phenomena; Animals; Dietary Supplements; Dose-Response Relationship, Drug; Female; Lysine / administration & dosage; Lysine / pharmacokinetics; Macrophage Activation / drug effects; Male; Methionine / administration & dosage; Methionine / analogs & derivatives; Methionine / pharmacokinetics; Organ Size / drug effects; Organometallic Compounds / administration & dosage; Organometallic Compounds / pharmacokinetics; Random Allocation; Swine / growth & development; Swine / immunology; Swine / metabolism; Tissue Distribution; Zinc / administration & dosage; Zinc / chemistry; Zinc / pharmacokinetics; Zinc Sulfate / administration & dosage; Zinc Sulfate / pharmacokinetics
Sources: NC State University Libraries, ORCID
Added: August 6, 2018

2003 journal article

Estimated copper requirements of Angus and Simmental heifers

Journal of Animal Science, 81(4), 865โ€“873.

By: L. Mullis n, J. Spears n & R. McCraw n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
MeSH headings : Animals; Breeding; Cattle / growth & development; Cattle / metabolism; Cattle / physiology; Copper / administration & dosage; Copper / blood; Copper / metabolism; Diet / veterinary; Dose-Response Relationship, Drug; Female; Lactation / metabolism; Lactation / physiology; Liver / chemistry; Nutritional Requirements; Pregnancy; Pregnancy, Animal / metabolism; Pregnancy, Animal / physiology; Random Allocation
Source: NC State University Libraries
Added: August 6, 2018

2003 journal article

Influence of dietary cobalt source and concentration on performance, vitamin B12 status, and ruminal and plasma metabolites in growing and finishing steers

Journal of Animal Science, 81(12), 3151โ€“3159.

By: M. Tiffany n, J. Spears n, L. Xi nโ€‰ & J. Horton

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
MeSH headings : Animals; Biological Availability; Cattle / growth & development; Cattle / metabolism; Cobalt / administration & dosage; Cobalt / pharmacokinetics; Dose-Response Relationship, Drug; Male; Nutritional Requirements; Nutritional Status; Rumen / metabolism; Vitamin B 12 / blood; Vitamin B 12 / metabolism; Weight Gain
Sources: NC State University Libraries, ORCID, Crossref
Added: August 6, 2018

2003 journal article

Trace mineral bioavailability in ruminants

Journal of Nutrition, 133(5), 1506Sโ€“1509.

By: J. Spears n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
MeSH headings : Animal Feed; Animals; Biological Availability; Calcium / pharmacokinetics; Diet; Ruminants; Sulfur / pharmacokinetics; Trace Elements / pharmacokinetics; Zinc / pharmacokinetics
Source: NC State University Libraries
Added: August 6, 2018

2002 journal article

Dietary zinc effects on growth performance and immune response of endotoxemic growing pigs

ASIAN-AUSTRALASIAN JOURNAL OF ANIMAL SCIENCES, 15(10), 1496โ€“1501.

By: E. Roberts, E. Heugten, K. Lloyd*, G. Almond*โ€‰ & J. Spears*

author keywords: pigs; zinc; immune response
Sources: Web Of Science, ORCID
Added: August 6, 2018

2002 journal article

Effect of zinc source (zinc oxide vs zinc proteinate) and level on performance, carcass characteristics, and immune response of growing and finishing steers

Journal of Animal Science, 80(10), 2747โ€“2752.

By: J. Spears n & E. Kegley n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
Source: NC State University Libraries
Added: August 6, 2018

2002 journal article

Iron methionine as a source of iron for the neonatal pig

NUTRITION RESEARCH, 22(10), 1209โ€“1217.

By: E. Kegley*, J. Spears n, W. Flowers n & W. Schoenherr n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: iron; anemia; pig
Source: Web Of Science
Added: August 6, 2018

2002 journal article

Long-term effects of boron supplementation on reproductive characteristics and bone mechanical properties in gilts

Journal of Animal Science, 80(1), 154โ€“161.

By: T. Armstrong n, W. Flowers n, J. Spears n & F. Nielsen*

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
MeSH headings : Animal Nutritional Physiological Phenomena; Animals; Biomechanical Phenomena; Bone and Bones / chemistry; Bone and Bones / drug effects; Bone and Bones / physiology; Boron / pharmacology; Dietary Supplements; Female; Male; Random Allocation; Reproduction / drug effects; Reproduction / physiology; Swine / metabolism; Swine / physiology
Source: NC State University Libraries
Added: August 6, 2018

2001 journal article

Copper status, serum cholesterol, and milk fatty acid profile in Holstein cows fed varying concentrations of copper

JOURNAL OF DAIRY SCIENCE, 84(10), 2308โ€“2313.

By: T. Engle n, V. Fellner nโ€‰ & J. Spears n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: copper; liver; milk fatty acids; serum cholesterol
MeSH headings : Animals; Cattle / blood; Cattle / physiology; Cholesterol / blood; Copper / administration & dosage; Copper / blood; Copper / pharmacokinetics; Copper / toxicity; Dose-Response Relationship, Drug; Fats / analysis; Fatty Acids / analysis; Female; Liver / metabolism; Milk / chemistry; Milk / cytology; Milk Proteins / analysis; Random Allocation
Sources: Web Of Science, ORCID
Added: August 6, 2018

2001 journal article

Dietary phosphorus and an inflammatory challenge affect performance and immune function of weanling pigs

Journal of Animal Science, 79(2), 413โ€“419.

By: E. Kegley n, J. Spears n & S. Auman*

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
MeSH headings : Animals; Antibodies / blood; Enzyme-Linked Immunosorbent Assay / veterinary; Female; Immunity / drug effects; Linear Models; Lipopolysaccharides / immunology; Lipopolysaccharides / pharmacology; Lymphocyte Activation / drug effects; Lymphocyte Activation / immunology; Lymphocytes / drug effects; Male; Phosphorus, Dietary / blood; Phosphorus, Dietary / immunology; Phosphorus, Dietary / pharmacology; Phytohemagglutinins / immunology; Phytohemagglutinins / pharmacology; Pokeweed Mitogens / immunology; Pokeweed Mitogens / pharmacology; Skinfold Thickness; Swine / immunology; Swine / metabolism; Swine / physiology
Source: NC State University Libraries
Added: August 6, 2018

2001 journal article

Effect of dietary boron on growth performance, calcium and phosphorus metabolism, and bone mechanical properties in growing barrows

Journal of Animal Science, 79(12), 3120โ€“3127.

By: T. Armstrong n & J. Spears n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
MeSH headings : Animal Nutritional Physiological Phenomena; Animals; Biomechanical Phenomena; Bone and Bones / physiology; Boron / administration & dosage; Boron / metabolism; Calcium / metabolism; Femur / physiology; Male; Phosphorus / metabolism; Random Allocation; Swine / growth & development; Swine / metabolism
Source: NC State University Libraries
Added: August 6, 2018

2001 journal article

Effect of pharmacological concentrations of dietary copper on lipid and cholesterol metabolism in pigs

NUTRITION RESEARCH, 21(9), 1299โ€“1308.

By: T. Armstrong n, J. Spears n, T. Engle n & M. See n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ

Contributors: T. Armstrong n, J. Spears n, T. Engle n & M. See n

author keywords: copper; lipid metabolism; cholesterol metabolism; pigs
Sources: Web Of Science, ORCID
Added: August 6, 2018

2001 journal article

Effect of ruminal protein degradability on growth and N metabolism in growing beef steers

Journal of Animal Science, 79(2), 533โ€“541.

By: G. Huntington n, M. Poore n, B. Hopkins n & J. Spears n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
MeSH headings : Ammonia / urine; Animal Feed; Animals; Cattle / growth & development; Cattle / metabolism; Cattle / physiology; Dietary Proteins / administration & dosage; Dietary Proteins / metabolism; Drug Combinations; Estradiol / administration & dosage; Estradiol / analogs & derivatives; Fatty Acids, Volatile / analysis; Gastrointestinal Contents / chemistry; Least-Squares Analysis; Linear Models; Male; Nitrogen / blood; Nitrogen / metabolism; Nitrogen / urine; Progesterone / administration & dosage; Random Allocation; Rumen / metabolism; Rumen / physiology; Silage; Urea / blood; Urea / urine; Weight Gain
Source: NC State University Libraries
Added: August 6, 2018

2001 journal article

Inflammatory response, growth, and thyroid hormone concentrations are affected by long-term boron supplementationin gilts

Journal of Animal Science, 79(6), 1549โ€“1556.

By: T. Armstrong n, J. Spears n & K. Lloyd n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
MeSH headings : Alkaline Phosphatase / blood; Animal Husbandry / methods; Animals; Borates / pharmacology; Boron / administration & dosage; Boron / pharmacology; Cholesterol / blood; Diet / veterinary; Dietary Supplements; Female; Inflammation / veterinary; Random Allocation; Swine / growth & development; Swine Diseases / blood; Thyroid Hormones / blood; Thyroxine / blood; Triiodothyronine / blood; Weaning
Source: NC State University Libraries
Added: August 6, 2018

2001 journal article

Performance, carcass characteristics, and lipid metabolism in growing and finishing Simmental steers fed varying concentrations of copper

Journal of Animal Science, 79(11), 2920โ€“2925.

By: T. Engle n & J. Spears n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
MeSH headings : Animal Feed; Animals; Cattle / growth & development; Cattle / metabolism; Cattle / physiology; Cholesterol / metabolism; Copper / administration & dosage; Copper / blood; Copper Sulfate / administration & dosage; Diet; Lipid Metabolism; Liver / chemistry; Male; Muscle, Skeletal / chemistry; Muscle, Skeletal / metabolism; Random Allocation; Reproduction
Source: NC State University Libraries
Added: August 6, 2018

2000 article

Boron supplementation of a semipurified diet for weanling pigs improves feed efficiency and bone strength characteristics and alters plasma lipid metabolites

Armstrong, T. A., Spears, J. W., Crenshaw, T. D., & Nielsen, F. H. (2000, October). JOURNAL OF NUTRITION, Vol. 130, pp. 2575โ€“2581.

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: boron; bone; cholesterol; triglycerides; pigs
MeSH headings : Alkaline Phosphatase / blood; Animal Nutritional Physiological Phenomena; Animals; Biomechanical Phenomena; Bone and Bones / physiology; Boron / administration & dosage; Calcium / blood; Cholesterol / blood; Female; Femur / chemistry; Femur / physiology; Lipids / analysis; Lipids / blood; Magnesium / blood; Male; Phosphorus / blood; Swine / physiology; Triglycerides / blood; Weaning
Source: Web Of Science
Added: August 6, 2018

2000 journal article

Dietary copper effects on lipid metabolism and circulating catecholamine concentrations in finishing steers

Journal of Animal Science, 78(10), 2737โ€“2744.

By: T. Engle n, J. Spears n, L. & F. Edens n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
MeSH headings : Adipose Tissue / metabolism; Animal Feed; Animals; Catecholamines / blood; Cattle / metabolism; Copper / pharmacology; Diet; Dietary Supplements; Fatty Acids, Nonesterified / metabolism; Lipid Metabolism; Liver / metabolism; Male; Weight Gain
Sources: NC State University Libraries, ORCID
Added: August 6, 2018

2000 journal article

Dietary copper effects on lipid metabolism, performance, and ruminal fermentation in finishing steers

Journal of Animal Science, 78(9), 2452โ€“2458.

By: T. Engel & J. Spears n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
MeSH headings : Animals; Body Weight; Cattle / growth & development; Copper / pharmacology; Diet; Fatty Acids, Unsaturated / pharmacology; Fermentation; Lipid Metabolism; Male; Random Allocation; Rumen / metabolism
Source: NC State University Libraries
Added: August 6, 2018

2000 journal article

Effect of copper source (cupric citrate vs cupric sulfate) and level on growth performance and copper metabolism in pigs

ASIAN-AUSTRALASIAN JOURNAL OF ANIMAL SCIENCES, 13(8), 1154โ€“1161.

By: T. Armstrong*, J. Spears*, E. Heugten, T. Engle* & C. Wright*

author keywords: copper; growth; liver; bile; bioavailability; pigs
Sources: Web Of Science, ORCID
Added: August 6, 2018

2000 journal article

Effect of dietary copper level on performance and copper status of growing meat goats

Sheep & Goat Research Journal, 16(2000), 65โ€“71.

By: J. Luginbuhl, M. Poore, J. Spears & T. Brown

Source: NC State University Libraries
Added: August 6, 2018

2000 journal article

Effects of dietary copper concentration and source on performance and copper status of growing and finishing steers

Journal of Animal Science, 78(9), 2446โ€“2451.

By: T. Engle & J. Spears

Source: NC State University Libraries
Added: August 6, 2018

2000 journal article

Effects of dietary copper source and concentration on carcass characteristics and lipid and cholesterol metabolism in growing and finishing steers

Journal of Animal Science, 78(4), 1053โ€“1059.

By: T. Engle n, J. Spears n, T. Armstrong n, C. Wright n & J. Odle nโ€‰

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
MeSH headings : Animal Feed; Animals; Cattle / growth & development; Cattle / metabolism; Cholesterol / metabolism; Copper / pharmacology; Fatty Acids / metabolism; Lipid Metabolism; Liver / metabolism; Male; Meat; Muscle, Skeletal / metabolism
Source: NC State University Libraries
Added: August 6, 2018

2000 journal article

Effects of soybean oil and dietary copper on ruminal and tissue lipid metabolism in finishing steers

Journal of Animal Science, 78(10), 2713โ€“2721.

By: T. Engle n, J. Spears n, V. Fellner nโ€‰ & J. Odle nโ€‰

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
MeSH headings : Adipose Tissue / metabolism; Animals; Cattle / metabolism; Cholesterol / metabolism; Copper / pharmacology; Diet; Dietary Supplements; Fatty Acids, Unsaturated / metabolism; Lipid Metabolism; Male; Muscles / metabolism; Rumen / drug effects; Rumen / metabolism; Soybean Oil / pharmacology
Sources: NC State University Libraries, ORCID
Added: August 6, 2018

2000 journal article

High dietary copper improves odor characteristics of swine waste.

Journal of Animal Science, 78(4), 859.

By: T. Armstrong n, C. Williams n, J. Spears n & S. Schiffman*โ€‰

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
MeSH headings : Animal Feed; Animals; Citrates / pharmacology; Copper Sulfate / pharmacology; Dietary Supplements; Feces; Odorants; Swine / metabolism; Waste Management / methods
Sources: NC State University Libraries, Crossref, ORCID
Added: August 6, 2018

2000 article

Micronutrients and immune function in cattle

Spears, J. W. (2000, November). PROCEEDINGS OF THE NUTRITION SOCIETY, Vol. 59, pp. 587โ€“594.

By: J. Spears n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: immune responses; trace elements; vitamins
MeSH headings : Animals; Cattle; Chromium / deficiency; Chromium / pharmacology; Cobalt / deficiency; Cobalt / pharmacology; Copper / deficiency; Copper / pharmacology; Immunity / drug effects; Micronutrients / deficiency; Micronutrients / pharmacology; Selenium / deficiency; Selenium / pharmacology; Vitamin A / pharmacology; Vitamin E / pharmacology; Zinc / deficiency; Zinc / pharmacology
Source: Web Of Science
Added: August 6, 2018

2000 journal article

Peptide YY administration decreases brain aluminum in the Ts65Dn Down syndrome mouse model

Growth, Development, & Aging, 64(1-2), 3โ€“19.

By: B. Berg, J. Croom, J. Fernandez, J. Spears, E. Eisen, I. Taylor, L. Daniel, B. Coles, F. Boeheim, P. Mannon

Source: NC State University Libraries
Added: August 6, 2018

1999 journal article

Chromium and cattle nutrition

JOURNAL OF TRACE ELEMENTS IN EXPERIMENTAL MEDICINE, 12(2), 141โ€“147.

By: E. Kegley* & J. Spears n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: chromium; cattle; glucose metabolism
Source: Web Of Science
Added: August 6, 2018

1999 journal article

Effect of breed (Angus Vs Simmental) on immune function and response to a disease challenge in stressed steers and preweaned calves

Journal of Animal Science, 77(3), 516โ€“521.

By: T. Engle n, J. Spears n, T. Brown n & K. Lloyd n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
MeSH headings : Animals; Body Temperature; Breeding; Cattle / classification; Cattle / immunology; Eating; Erythrocytes / immunology; Female; Immunity, Innate; Immunoglobulins / biosynthesis; Male; Phytohemagglutinins / immunology; Stress, Physiological / immunology; Swine; Weight Gain
Source: NC State University Libraries
Added: August 6, 2018

1999 journal article

Reevaluation of the metabolic essentiality of the minerals - Review

ASIAN-AUSTRALASIAN JOURNAL OF ANIMAL SCIENCES, 12(6), 1002โ€“1008.

By: J. Spears*

author keywords: minerals; macrominerals; microminerals; chromium; boron
Source: Web Of Science
Added: August 6, 2018

1999 journal article

The effects of low-copper diets with or without supplemental molybdenum on specific immune responses of stressed cattle

Journal of Animal Science, 77(1), 230โ€“237.

By: J. Ward n & J. Spears n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
MeSH headings : Animal Feed; Animals; Antibody Formation; Cattle; Cattle Diseases / immunology; Copper / administration & dosage; Copper / blood; Copper / deficiency; Diet; Dietary Supplements; Immunity, Cellular; Male; Molybdenum / administration & dosage; Orchiectomy / veterinary; Stress, Physiological / immunology; Stress, Physiological / veterinary; Wound Healing / immunology
Source: NC State University Libraries
Added: August 6, 2018

1998 journal article

Effects of dietary copper and molybdenum on copper status, cytokine production, and humoral immune response of calves

JOURNAL OF DAIRY SCIENCE, 81(12), 3286โ€“3292.

By: G. Gengelbach n & J. Spears n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: copper; molybdenum; calves; immune response
MeSH headings : Animals; Antibodies / blood; Antibody Formation; Cattle; Cattle Diseases / immunology; Cells, Cultured; Ceruloplasmin / metabolism; Copper / administration & dosage; Copper / deficiency; Copper / metabolism; Cytokines / biosynthesis; Diet; Erythrocytes / enzymology; Erythrocytes / immunology; Immunoglobulin M / blood; Interleukin-1 / biosynthesis; Liver / metabolism; Male; Molybdenum / administration & dosage; Superoxide Dismutase / blood; Swine; Tumor Necrosis Factor-alpha / biosynthesis
Source: Web Of Science
Added: August 6, 2018

1998 journal article

Influence of level and source (inorganic vs organic) of zinc supplementation on immune function in growing lambs

ASIAN-AUSTRALASIAN JOURNAL OF ANIMAL SCIENCES, 11(2), 139โ€“144.

By: E. Droke, G. Gengelbach* & J. Spears*

author keywords: zinc; zinc methionine; zinc oxide; immune function; lambs
Source: Web Of Science
Added: August 6, 2018

1997 journal article

Effect of shipping and chromium supplementation on performance, immune response, and disease resistance of steers

Journal of Animal Science, 75(7), 1956โ€“1964.

By: E. Kegley n, J. Spears n & T. Brown n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
MeSH headings : Animals; Antibodies, Viral / biosynthesis; Antibodies, Viral / immunology; Blood Glucose / analysis; Body Temperature / physiology; Cattle / blood; Cattle / growth & development; Cattle / immunology; Chromium / administration & dosage; Chromium / pharmacology; Food Deprivation / physiology; Food, Fortified; Herpesvirus 1, Bovine / immunology; Hydrocortisone / blood; Immunity, Innate; Immunoglobulin G / blood; Immunoglobulin M / blood; Infectious Bovine Rhinotracheitis / immunology; Infectious Bovine Rhinotracheitis / prevention & control; Male; Random Allocation; Transportation; Water Deprivation / physiology
Source: NC State University Libraries
Added: August 6, 2018

1997 journal article

Effects of copper deficiency and copper deficiency coupled with high dietary iron or molybdenum on phagocytic cell function and response of calves to a respiratory disease challenge

Journal of Animal Science, 75(4), 1112โ€“1118.

By: G. Gengelbach n, J. Ward n, J. Spears n & T. Brown n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
MeSH headings : Aging / metabolism; Aging / physiology; Animals; Body Temperature / drug effects; Body Temperature / physiology; Cattle / blood; Cattle / metabolism; Cattle / physiology; Cattle Diseases / metabolism; Cattle Diseases / physiopathology; Ceruloplasmin / analysis; Ceruloplasmin / metabolism; Copper / blood; Copper / deficiency; Copper / pharmacology; Diet / veterinary; Eating / drug effects; Eating / physiology; Female; Herpesvirus 1, Bovine / physiology; Infectious Bovine Rhinotracheitis / metabolism; Infectious Bovine Rhinotracheitis / physiopathology; Iron, Dietary / pharmacology; Leukocyte Count / drug effects; Macrophages / drug effects; Macrophages / physiology; Mannheimia haemolytica / physiology; Molybdenum / pharmacology; Neutrophils / drug effects; Neutrophils / physiology; Pasteurella Infections / metabolism; Pasteurella Infections / physiopathology; Pasteurella Infections / veterinary; Phagocytes / drug effects; Phagocytes / physiology; Phagocytosis / drug effects; Phagocytosis / physiology; Pregnancy; Superoxide Dismutase / analysis; Tumor Necrosis Factor-alpha / analysis; Tumor Necrosis Factor-alpha / metabolism
Source: NC State University Libraries
Added: August 6, 2018

1997 journal article

Immune response and growth of stressed weanling pigs fed diets supplemented with organic or inorganic forms of chromium

Journal of Animal Science, 75(2), 409โ€“416.

By: E. Heugtenโ€‰ n & J. Spears n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
MeSH headings : Adrenocorticotropic Hormone / pharmacology; Animals; Antibodies / metabolism; Cell Division / drug effects; Cell Division / physiology; Chromium / administration & dosage; Chromium / pharmacology; Diet / standards; Diet / veterinary; Eating / drug effects; Eating / physiology; Erythrocytes / immunology; Escherichia coli / metabolism; Food, Fortified; Hydrocortisone / blood; Lipopolysaccharides / pharmacology; Lymphocytes / cytology; Lymphocytes / drug effects; Lymphocytes / physiology; Ovalbumin / immunology; Phytohemagglutinins / pharmacology; Pokeweed Mitogens / pharmacology; Random Allocation; Skin / anatomy & histology; Skin / drug effects; Swine / blood; Swine / growth & development; Swine / immunology; Weight Gain / drug effects; Weight Gain / physiology
Sources: NC State University Libraries, ORCID
Added: August 6, 2018

1997 journal article

Long-term effects of consumption of low-copper diets with or without supplemental molybdenum on copper status, performance, and carcass characteristics of cattle

Journal of Animal Science, 75(11), 3057โ€“3065.

By: J. Ward n & J. Spears n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
MeSH headings : Abattoirs; Analysis of Variance; Animals; Body Composition / drug effects; Body Composition / physiology; Cattle / blood; Cattle / growth & development; Cattle / physiology; Ceruloplasmin / analysis; Ceruloplasmin / metabolism; Copper / administration & dosage; Copper / analysis; Copper / blood; Diet / veterinary; Dietary Supplements; Dose-Response Relationship, Drug; Hemoglobins / analysis; Injections / methods; Injections / veterinary; Liver / chemistry; Male; Molybdenum / administration & dosage; Molybdenum / pharmacology; Superoxide Dismutase / blood; Time Factors
Source: NC State University Libraries
Added: August 6, 2018

1997 journal article

Performance and glucose metabolism in calves fed a chromium-nicotinic acid complex or chromium chloride

JOURNAL OF DAIRY SCIENCE, 80(8), 1744โ€“1750.

By: E. Kegley n, J. Spears n & J. Eisemann n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: chromium; calves; glucose tolerance; insulin resistance
MeSH headings : Animal Feed; Animals; Blood Glucose / metabolism; Cattle / physiology; Chlorides / administration & dosage; Chromium / administration & dosage; Chromium Compounds / administration & dosage; Diet; Insulin / administration & dosage; Insulin / blood; Kinetics; Niacin / administration & dosage; Weight Gain
Source: Web Of Science
Added: August 6, 2018

1997 conference paper

Relationship between nutrition and immune response

Tri-state dairy nutrition conference. Proceedings. Sponsored by Michigan State University, Purdue University, and Ohio State University, 1997, (1997), 1โ€“11.

By: J. Spears

Source: NC State University Libraries
Added: August 6, 2018

1997 journal article

The effects of copper deficiency with or without high dietary iron or molybdenum on immune function of cattle

Journal of Animal Science, 75(5), 1400โ€“1408.

By: J. Ward n, G. Gengelbach n & J. Spears n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
MeSH headings : Analysis of Variance; Animals; Cattle / immunology; Cattle / physiology; Colostrum / chemistry; Copper / deficiency; Copper / pharmacology; Copper / physiology; Diet / veterinary; Dose-Response Relationship, Drug; Female; Immune System / drug effects; Immune System / physiology; Immunoglobulin G / analysis; Immunoglobulin G / blood; Iron, Dietary / pharmacology; Liver / chemistry; Liver / physiology; Lymphocyte Activation / physiology; Lymphocytes / drug effects; Lymphocytes / physiology; Male; Mitogens / pharmacology; Molybdenum / pharmacology; Phytohemagglutinins / pharmacology
Source: NC State University Libraries
Added: August 6, 2018

1996 article

Beef nutrition in the 21st century

Spears, J. W. (1996, April). ANIMAL FEED SCIENCE AND TECHNOLOGY, Vol. 58, pp. 29โ€“35.

By: J. Spears n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
Source: Web Of Science
Added: August 6, 2018

1996 article

Organic trace minerals in ruminant nutrition

Spears, J. W. (1996, April). ANIMAL FEED SCIENCE AND TECHNOLOGY, Vol. 58, pp. 151โ€“163.

By: J. Spears n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
Source: Web Of Science
Added: August 6, 2018

1994 journal article

Minerals in forages

Forage Quality, Evaluation, and Utilization, 281.

By: J. Spears n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
Source: NC State University Libraries
Added: August 6, 2018

1992 journal article

The effects of antibiotic prophylaxis on postoperative complications after rumenotomy in cattle

Journal of the American Veterinary Medical Association, 200(9), 1332โ€“1335.

By: M. Haven, J. Wichtel, D. Bristol, J. Fetrow & J. Spears

Source: NC State University Libraries
Added: August 6, 2018

1991 journal article

Effects of zinc methionine and zinc oxide on performance, blood characteristics, and antibody titer response to viral vaccination in stressed feeder calves

Journal of the American Veterinary Medical Association, 199(12), 1731.

By: J. Spears, R. Harvey & T. Brown

Source: NC State University Libraries
Added: August 6, 2018

1990 journal article

IONOPHORES AND NUTRIENT DIGESTION AND ABSORPTION IN RUMINANTS

JOURNAL OF NUTRITION, 120(6), 632โ€“638.

By: J. Spears n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
MeSH headings : Animals; Digestion / drug effects; Intestinal Absorption / drug effects; Ionophores / pharmacology; Minerals / metabolism; Nitrogen / metabolism; Ruminants / metabolism
Source: Web Of Science
Added: August 6, 2018

1989 journal article

Influence of lysocellin and monensin on mineral metabolism of steers fed forage-based diets

Journal of Animal Science, 67(8), 2140.

By: J. Spears n, B. Schricker n & J. Burns n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
MeSH headings : Animal Feed; Animals; Anti-Bacterial Agents / pharmacology; Calcium / metabolism; Cattle / metabolism; Copper / metabolism; Ethers / pharmacology; Furans; Ionophores / pharmacology; Magnesium / metabolism; Male; Minerals / metabolism; Monensin / pharmacology; Phosphorus / metabolism; Potassium / metabolism; Zinc / metabolism
Source: NC State University Libraries
Added: August 6, 2018

1989 journal article

Lysocellin effects on growth performance, ruminal fermentation, nutrient digestibility and nitrogen metabolism in steers fed forage diets

Journal of Animal Science, 67(2), 547.

By: J. Spears n, J. Burns n & G. Wolfrom n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
MeSH headings : Animal Feed; Animals; Cattle / growth & development; Digestion / drug effects; Ethers / pharmacology; Fermentation / drug effects; Furans; Ionophores / pharmacology; Male; Nitrogen / metabolism; Rumen / drug effects
Source: NC State University Libraries
Added: August 6, 2018

1989 journal article

Zinc methionine for ruminants: Relative bioavailability of zinc in lambs and effects of growth and performance of growing heifers

Journal of Animal Science, 67(3), 835.

By: J. Spears n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
MeSH headings : Animal Feed; Animals; Biological Availability; Body Weight / drug effects; Cattle / metabolism; Cattle / physiology; Diet; Female; Food, Fortified; Male; Methionine / pharmacokinetics; Methionine / pharmacology; Random Allocation; Sexual Maturation / drug effects; Sheep / growth & development; Sheep / metabolism; Zinc / blood; Zinc / pharmacokinetics; Zinc Oxide / pharmacokinetics; Zinc Oxide / pharmacology
Source: NC State University Libraries
Added: August 6, 2018

1984 journal article

PERFORMANCE, RUMINAL AND SERUM CHARACTERISTICS OF STEERS FED LASALOCID ON PASTURE

JOURNAL OF ANIMAL SCIENCE, 58(2), 460โ€“464.

By: J. Spears n & R. Harvey n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
MeSH headings : Animals; Blood Glucose / metabolism; Body Weight / drug effects; Calcium / blood; Cattle / physiology; Fatty Acids, Volatile / metabolism; Food Additives; Lasalocid / pharmacology; Magnesium / blood; Male; Minerals / blood; Potassium / blood; Rumen / drug effects; Rumen / metabolism; Sodium / blood
Source: Web Of Science
Added: August 6, 2018

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