Works (30)

Updated: August 5th, 2023 21:15

2019 journal article

Chromium propionate in broilers: human food and broiler safety

Poultry Science, 98(12), 6579–6585.

By: J. Spears n, K. Lloyd n, C. Pickworth n, Y. Huang n, K. Krafka, J. Hyda, J. Grimes n

co-author countries: United States of America 🇺🇸
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), 1286–1295.

By: A. Budde*, K. Sellins*, K. Lloyd n, J. Wagner*, J. Heldt*, J. Spears n, T. Engle*

co-author countries: United States of America 🇺🇸
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

2017 journal article

Chromium concentrations in ruminant feed ingredients

JOURNAL OF DAIRY SCIENCE, 100(5), 3584–3590.

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

co-author countries: United States of America 🇺🇸
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

2017 journal article

Relationships Among Digestible Energy Intake, Body Weight, and Body Condition in Mature Idle Horses

JOURNAL OF EQUINE VETERINARY SCIENCE, 54, 32–36.

By: J. Gill n, K. Lloyd n, M. Bowman n, P. Siciliano n & S. Pratt-Phillips n

co-author countries: United States of America 🇺🇸
author keywords: Weight gain; Maintenance requirement; Body condition score; Energy expenditure
Sources: Web Of Science, ORCID
Added: August 6, 2018

2016 journal article

Chromium propionate in broilers: effect on insulin sensitivity

POULTRY SCIENCE, 95(5), 1096–1104.

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

co-author countries: United States of America 🇺🇸
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

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. 2948–2955.

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

co-author countries: China 🇨🇳 United States of America 🇺🇸
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

2015 journal article

Effects of Supplemental Chromium Source and Concentration on Growth Performance, Carcass Traits, and Meat Quality of Broilers Under Heat Stress Conditions

Biological Trace Element Research, 170(1), 216–223.

By: Y. Huang*, J. Yang*, F. Xiao*, K. Lloyd n & X. Lin n

co-author countries: China 🇨🇳 United States of America 🇺🇸
author keywords: Chromium; Growth performance; Carcass characteristics; Meat quality; Broilers; Heat stress
MeSH headings : Animals; Chickens / growth & development; Chromium / administration & dosage; Female; Heat-Shock Response; Poultry
Sources: Web Of Science, Crossref, ORCID
Added: August 6, 2018

2015 journal article

Effects of Supplemental Chromium Source and Concentration on Growth, Carcass Characteristics, and Serum Lipid Parameters of Broilers Reared Under Normal Conditions

Biological Trace Element Research, 169(2), 352–358.

By: C. Zheng*, Y. Huang*, F. Xiao*, X. Lin n & K. Lloyd n

co-author countries: China 🇨🇳 United States of America 🇺🇸
author keywords: Broilers; Carcass characteristics; Chromium; Lipid parameters; Normal rearing conditions
MeSH headings : Abdominal Fat / drug effects; Abdominal Fat / growth & development; Animal Feed / analysis; Animals; Chickens / growth & development; Chickens / metabolism; Chlorides / analysis; Chlorides / pharmacology; Cholesterol / blood; Chromium / analysis; Chromium / pharmacology; Chromium Compounds / analysis; Chromium Compounds / pharmacology; Dietary Supplements; Liver / drug effects; Liver / growth & development; Muscle, Skeletal / drug effects; Muscle, Skeletal / growth & development; Picolinic Acids / analysis; Picolinic Acids / pharmacology; Propionates / analysis; Propionates / pharmacology
Sources: Web Of Science, Crossref, ORCID
Added: August 6, 2018

2013 journal article

Bioavailability in chicks of zinc from zinc propionate

JOURNAL OF APPLIED POULTRY RESEARCH, 22(2), 153–159.

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

co-author countries: United States of America 🇺🇸
author keywords: chick; trace mineral; bioavailability; zinc propionate; zinc sulfate
Source: Web Of Science
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), 861–871.

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

co-author countries: United States of America 🇺🇸
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

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), 3112–3119.

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 🇺🇸
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), 2037–2045.

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 🇺🇸
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), 126–130.

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

co-author countries: United States of America 🇺🇸
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), 78–83.

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 🇺🇸
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

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

JOURNAL OF ANIMAL SCIENCE, 89(8), 2502–2509.

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

co-author countries: United States of America 🇺🇸
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

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

JOURNAL OF ANIMAL PHYSIOLOGY AND ANIMAL NUTRITION, 94(3), 273–279.

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

co-author countries: United States of America 🇺🇸
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), 4774–4780.

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

co-author countries: United States of America 🇺🇸
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

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), 1068–1078.

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 🇺🇸
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), 173–179.

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

co-author countries: United States of America 🇺🇸
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

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), 2895–2903.

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 🇺🇸
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

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), 253–265.

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 🇺🇸
author keywords: chromium; cattle; copper; glucose tolerance
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), 4305–4311.

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

co-author countries: United States of America 🇺🇸
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), 3375–3380.

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

co-author countries: United States of America 🇺🇸
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

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), 2434–2439.

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

co-author countries: United States of America 🇺🇸
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

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), 211–217.

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

co-author countries: United States of America 🇺🇸
author keywords: cattle; organic zinc; zinc
Source: Web Of Science
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), 2140–2147.

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

co-author countries: United States of America 🇺🇸
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

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 🇺🇸
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), 1496–1501.

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

author keywords: pigs; zinc; immune response
Sources: Web Of Science, ORCID
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), 1549–1556.

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

co-author countries: United States of America 🇺🇸
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

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), 516–521.

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

co-author countries: United States of America 🇺🇸
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

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