Gerald B Huntington

Works (36)

Updated: April 5th, 2024 00:51

2022 journal article

Ractopamine and age alter oxygen use and nitrogen metabolism in tissues of beef steers

JOURNAL OF ANIMAL SCIENCE, 100(11).

By: J. Eisemann n, J. Nienaber* & G. Huntington n

author keywords: amino acid kinetics; cattle; metabolism; net flux; ractopamine
MeSH headings : Cattle; Animals; Oxygen / metabolism; Phenethylamines / pharmacology; Phenethylamines / metabolism; Diet / veterinary; Liver / metabolism; Nitrogen / metabolism; Body Weight / physiology
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (OpenAlex)
Source: Web Of Science
Added: December 5, 2022

2020 article

Frontiers in ruminant nutrition: An ASAS-CSAS-WSASAS 2020 Symposium overview

Caton, J. S., Engle, T., Crouse, M. S., Archibeque, S., Nagaraja, T. G., & Huntington, G. (2020, September). JOURNAL OF ANIMAL SCIENCE, Vol. 98.

By: J. Caton*, T. Engle*, M. Crouse*, S. Archibeque*, T. Nagaraja* & G. Huntington n

UN Sustainable Development Goal Categories
2. Zero Hunger (OpenAlex)
13. Climate Action (Web of Science)
Source: Web Of Science
Added: January 4, 2021

2020 article

Past, present and future of protein and N metabolism in ruminants

Huntington, G. B., & Eisemann, J. H. (2020, November). JOURNAL OF ANIMAL SCIENCE, Vol. 98, pp. 169–169.

By: G. Huntington n & J. Eisemann n

author keywords: NItrogen; Protein; Amino acids
TL;DR: Directions of future research include integration of functional roles of amino acids into recommended dietary supply and requirements, and focus on solutions to challenges presented by climate change, (in)sustainability of livestock production, and changes in public perception of humans’ use of ruminants and other animals. (via Semantic Scholar)
Source: Web Of Science
Added: February 15, 2021

2015 journal article

Herbage selection, intake and digestibility in grazing beef cattle

LIVESTOCK SCIENCE, 174, 39–45.

By: S. Reis*, G. Huntington n, M. Hopkins n, S. Whisnant n & P. Paulino

author keywords: Beef cows; Pasture; Intake selection; Alkane
TL;DR: Intakes of lactating cows did not predict their intake after weaning, and individual cow intakes during lactation and afterWeaning, during grazing, were not correlated. (via Semantic Scholar)
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
Source: Web Of Science
Added: August 6, 2018

2014 journal article

Intake estimation of horses grazing tall fescue (Lolium arundinaceum) or fed tall fescue hay

JOURNAL OF ANIMAL SCIENCE, 92(5), 2304–2308.

By: S. Chavez n, P. Siciliano n & G. Huntington n

author keywords: alkanes; horses; intake; pasture; tall fescue
MeSH headings : Animal Feed / analysis; Animals; Body Weight; Cross-Over Studies; Diet / veterinary; Feeding Behavior / physiology; Horses / physiology; Lolium; Male
TL;DR: Alkanes can be used to estimate pasture or hay DMI and DMD, and pasture intake exceeded hay intake when offered ad libitum, in conclusion. (via Semantic Scholar)
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (OpenAlex)
13. Climate Action (Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2014 journal article

Reduced supplementation frequency increased insulin-like growth factor 1 in beef steers fed medium quality hay and supplemented with a soybean hull and corn gluten feed blend

JOURNAL OF ANIMAL SCIENCE, 92(6), 2546–2553.

By: M. Drewnoski n, G. Huntington n & M. Poore n

author keywords: cattle; insulin; insulin-like growth factor 1; metabolism; supplementation frequency
MeSH headings : Animal Feed / analysis; Animals; Cattle / blood; Cattle / metabolism; Diet / veterinary; Dietary Supplements; Digestion / physiology; Energy Intake; Glutens; Insulin-Like Growth Factor I / metabolism; Male; Rumen / metabolism; Somatomedins / metabolism; Soybeans; Zea mays
TL;DR: Gains of steers supplemented with a soybean hull and corn gluten feed blend on alternate days did not differ from those supplemented daily suggesting the steers were able to efficiently utilize large boluses of nutrients fed every other day, suggesting the effect of less frequent supplementation on IGF-1 deserves further examination. (via Semantic Scholar)
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
Source: Web Of Science
Added: August 6, 2018

2013 journal article

Intake in cattle of a ground switchgrass and alfalfa hay mixture blended with various levels of sucrose or citric acid

ANIMAL FEED SCIENCE AND TECHNOLOGY, 184(1-4), 33–37.

By: S. Chavez n & G. Huntington n

author keywords: Cattle; Preference; Hay; Sucrose; Citric acid
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (OpenAlex)
13. Climate Action (Web of Science)
Source: Web Of Science
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

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
TL;DR: Results indicate that Cr Prop supplementation increased tissue sensitivity to insulin in growing heifers. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: August 6, 2018

2012 journal article

Effects of supplemental urea sources and feeding frequency on ruminal fermentation, fiber digestion, and nitrogen balance in beef steers

ANIMAL FEED SCIENCE AND TECHNOLOGY, 171(2-4), 136–145.

By: E. Alvarez Almora*, G. Huntington n & J. Burns n

author keywords: Nitrogen; Urea; Fiber; Digestion; Steers
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
Source: Web Of Science
Added: August 6, 2018

2011 journal article

Technical note: Use of near-infrared reflectance spectroscopy to predict intake and digestibility in bulls and steers

JOURNAL OF ANIMAL SCIENCE, 89(4), 1163–1166.

By: G. Huntington n, E. Leonard n & J. Burns n

author keywords: bull; corn silage; digestion; intake; near-infrared reflectance; steer
MeSH headings : Animal Feed; Animal Husbandry / methods; Animals; Cattle / growth & development; Cattle / metabolism; Diet / veterinary; Digestion; Eating; Feces / chemistry; Male; Silage; Spectroscopy, Near-Infrared; Zea mays
TL;DR: Lack of similarity between spectra of fecal grab samples from the growing bulls and daily fecal collection of steers and bulls in the digestion trials in this study indicates the need for further verification before prediction of DMD with fecalGrab samples. (via Semantic Scholar)
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
Source: Web Of Science
Added: August 6, 2018

2011 journal article

Use of plant hydrocarbons as markers to estimate voluntary intake and digestibility in beef steers

LIVESTOCK SCIENCE, 139(3), 245–251.

By: S. Chavez n, G. Huntington n & J. Burns n

author keywords: Alkanes; Cattle; Intake; Digestion
TL;DR: Calculating dry matter intake of grazing herbivores has been an issue in determining factors such as efficiency and digestibility of forages, and two experiments were conducted using alkanes to validate analytical methods with oven-dried and freeze-d dried samples, compare and contrast measured and estimated intake. (via Semantic Scholar)
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
Source: Web Of Science
Added: August 6, 2018

2010 journal article

Intake, Digestibility, and Nitrogen Balance of Steers Fed Gamagrass Baleage Topdressed at Two Rates of Nitrogen and Harvested at Sunset and Sunrise

CROP SCIENCE, 50(1), 427–437.

By: A. Sauve n, G. Huntington n, C. Whisnant n & J. Burns n

TL;DR: The four baleage treatments were evaluated by steers for dry matter intake (DMI), digestibility, and N retention and found that neither harvest time nor N rate altered DMI (mean = 1.87 kg 100 –1 kg body weight). (via Semantic Scholar)
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
Source: Web Of Science
Added: August 6, 2018

2009 journal article

Determination of nitrogen balance in goats fed a meal produced from hydrolyzed spent hen hard tissues

JOURNAL OF ANIMAL SCIENCE, 87(3), 1068–1076.

By: S. Freeman n, M. Poore n, G. Huntington n, T. Middleton* & P. Ferket n

author keywords: by-product; meat goat; nitrogen balance; spent laying hen
MeSH headings : Animal Feed / analysis; Animal Feed / standards; Animal Husbandry / methods; Animals; Biological Products / analysis; Biological Products / metabolism; Biological Products / standards; Blood Urea Nitrogen; Chickens / physiology; Diet / veterinary; Dietary Fiber / analysis; Eating / physiology; Feathers / metabolism; Female; Food Handling / methods; Gastrointestinal Contents / chemistry; Goats / metabolism; Goats / physiology; Male; Minerals / analysis; Minerals / metabolism; Minerals / standards; Nitrogen / metabolism; Random Allocation; Rumen / metabolism
TL;DR: A palatable by-product meal for ruminants can be made from spent laying hen hard tissue, one that supports N metabolism similar to that of traditional protein sources, and promoted a more stable rumen environment. (via Semantic Scholar)
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2009 journal article

Effects of total nonstructural carbohydrates and nitrogen balance on voluntary intake of goats and digestibility of gamagrass hay harvested at sunrise and sunset

ANIMAL FEED SCIENCE AND TECHNOLOGY, 148(2-4), 93–106.

By: A. Sauve n, G. Huntington n & J. Burns n

author keywords: Goats; Gamagrass hay; Nonstructural carbohydrates; N metabolism
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (OpenAlex)
13. Climate Action (Web of Science)
Source: Web Of Science
Added: August 6, 2018

2009 journal article

The addition of cottonseed hulls to the starter and supplementation of live yeast or mannanoligosaccharide in the milk for young calves

JOURNAL OF DAIRY SCIENCE, 92(2), 790–798.

By: S. Hill n, B. Hopkins n, S. Davidson n, S. Bolt n, D. Diaz n, C. Brownie n, T. Brown n, G. Huntington n, L. Whitlow n

author keywords: cottonseed hull; calf; yeast; mannanoligosaccharide
MeSH headings : Animals; Animals, Newborn; Cattle / growth & development; Cattle / physiology; Cottonseed Oil / metabolism; Dietary Supplements; Eating / physiology; Female; Male; Milk / chemistry; Milk / microbiology; Oligosaccharides / metabolism; Random Allocation; Rumen / growth & development; Time Factors; Yeasts / metabolism
TL;DR: Investigation of the effects of the addition of cottonseed hulls (CSH) to the starter and the supplementation of live yeast product (YST) or mannanoligosaccharide product (MOS) to milk, on growth, intake, rumen development, and health parameters in young calves found no significant effects. (via Semantic Scholar)
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
Source: Web Of Science
Added: August 6, 2018

2009 journal article

Urea metabolism in beef steers fed tall fescue, orchardgrass, or gamagrass hays

JOURNAL OF ANIMAL SCIENCE, 87(4), 1346–1353.

By: G. Huntington n, K. Magee n, A. Matthews n, M. Poore n & J. Burns n

author keywords: fescue; gamagrass; orchardgrass; steer; urea metabolism
MeSH headings : Amino Acids / administration & dosage; Animals; Cattle / metabolism; Dietary Carbohydrates / administration & dosage; Dietary Supplements; Male; Nitrogen / metabolism; Nitrogen / urine; Ornithine / metabolism; Poaceae / metabolism; Random Allocation; Urea / metabolism
TL;DR: The concept of improved N use in response to increased carbohydrate fermentability in the rumen, due either to inherent differences in forage fiber or to supplementation with readily fermentable carbohydrate (starch or fiber), is supported. (via Semantic Scholar)
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
Source: Web Of Science
Added: August 6, 2018

2008 journal article

Evaluation of secondary protein nutrients as a substitute for soybean meal in diets for beef steers and meat goats

JOURNAL OF ANIMAL SCIENCE, 86(1), 146–158.

By: S. Freeman n, M. Poore n, G. Huntington n & T. Middleton

author keywords: meat goat; nitrogen balance; ruminally undegradable protein; secondary protein nutrient; steer
MeSH headings : Animal Feed / analysis; Animal Nutritional Physiological Phenomena; Animals; Cattle / blood; Cattle / growth & development; Diet / veterinary; Dietary Proteins / pharmacology; Dose-Response Relationship, Drug; Goats / blood; Goats / growth & development; Male; Meat; Nitrogen / metabolism; Rumen / metabolism; Soybeans / metabolism
TL;DR: The results indicate that SPN can be included in diets for ruminants to supply up to 40% of supplemental N with little negative impact on animal performance. (via Semantic Scholar)
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (OpenAlex)
13. Climate Action (Web of Science)
Source: Web Of Science
Added: August 6, 2018

2008 journal article

Performance of lactating dairy cows fed varying levels of total mixed ration and pasture

JOURNAL OF DAIRY RESEARCH, 75(4), 471–480.

By: R. Vibart n, V. Fellner n, J. Burns n, G. Huntington n & J. Green n

author keywords: Intake; pasture; partial mixed ration; grazing
MeSH headings : Animal Feed; Animals; Bentonite; Calcium Carbonate; Carbonates; Cattle / physiology; Dairying / methods; Edible Grain; Fatty Acids / analysis; Female; Glutens; Lactation / physiology; Milk / chemistry; Milk / metabolism; Poaceae; Potassium; Seasons; Silage; Sodium Chloride; Soybeans; Vitamins; Zea mays
TL;DR: Although milk and milk protein yields from cows grazing spring pastures increased with increasing intakes of TMR, a partial mixed ration that was composed of 41% pasture grazed in the fall resulted in a similar overall lactation performance with increased feed efficiency compared to an all-TMR ration. (via Semantic Scholar)
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2008 journal article

The interaction of harvesting time of day of switchgrass hay and ruminal degradability of supplemental protein offered to beef steers

JOURNAL OF ANIMAL SCIENCE, 86(1), 159–166.

By: G. Huntington n & J. Burns n

author keywords: beef steer; protein degradability; switchgrass; Panicum virgatum
MeSH headings : Animal Feed / analysis; Animal Nutritional Physiological Phenomena; Animals; Cattle / growth & development; Diet / veterinary; Dietary Proteins / pharmacology; Dietary Supplements; Digestion / physiology; Male; Poaceae / physiology; Rumen / metabolism; Time Factors
TL;DR: Examination of interaction between harvest at 0600 (AM) vs. 1800 (PM) with high (HI) or low (LO) ruminal degradability of a protein supplement to change voluntary intake, digestion, or N retention by steers offered switchgrass (Panicum virgatum L.) hay found greater TNC in PM vs. AM harvest was not sufficient by itself to increase total voluntary DMI. (via Semantic Scholar)
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
Source: Web Of Science
Added: August 6, 2018

2007 journal article

Urea metabolism in beef steers grazing Bermudagrass, Caucasian bluestem, or gamagrass pastures varying in plant morphology, protein content, and protein composition

JOURNAL OF ANIMAL SCIENCE, 85(8), 1997–2004.

By: G. Huntington n, J. Burns n & S. Archibeque n

author keywords: beef cattle; urea biosynthesis; Tripsacum dactyloides; Cynodon dactylon; Bothriochloa caucasica
MeSH headings : Animals; Blood Urea Nitrogen; Body Weight; Cattle / metabolism; Cynodon / chemistry; Cynodon / metabolism; Dietary Proteins / analysis; Esophageal Fistula / veterinary; Male; Plant Leaves / chemistry; Plant Stems / chemistry; Poaceae / chemistry; Poaceae / metabolism; Random Allocation; Urea / metabolism; Urea / urine
TL;DR: Urea production and recycling in these steers responded more to the N concentration in the grasses than to differences in plant protein fractions, and there was no evidence of improved N capture by the steers due to changes in the leaf:stem ratio among the Grasses at the herbage mass evaluated. (via Semantic Scholar)
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
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), 225–241.

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

author keywords: steers; urea; ammonia; rumen
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
Source: Web Of Science
Added: August 6, 2018

2005 journal article

Intake, digestion, and N metabolism in steers fed endophyte-free, ergot alkaloid-producing endophyte-infected, or nonergot alkaloid-producing endophyte-infected fescue hayI

Journal of Animal Science, 83(5), 1179–1185.

By: A. Matthews n, M. Poore n, G. Huntington n & J. Green n

MeSH headings : Animal Nutritional Physiological Phenomena; Animals; Blood Urea Nitrogen; Body Temperature; Cattle / physiology; Dietary Proteins / metabolism; Digestion / physiology; Drinking / physiology; Eating / physiology; Ergot Alkaloids / biosynthesis; Ergotamines / analysis; Festuca / chemistry; Festuca / classification; Festuca / microbiology; Hypocreales / metabolism; Male; Nitrogen / metabolism; Prolactin / blood; Temperature; Urea / urine; Urination
TL;DR: Results from this study indicate that E+ tall fescue hay was lower in ad libitum DMI, DM digestibility, and N retention than NE or E- hays with similar chemical composition. (via Semantic Scholar)
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (OpenAlex)
Source: NC State University Libraries
Added: August 6, 2018

2005 journal article

Nitrogen metabolism in beef steers fed gamagrass or orchardgrass hay with or without a supplement

CANADIAN JOURNAL OF ANIMAL SCIENCE, 85(1), 107–109.

By: K. Magee*, M. Poore*, J. Burns* & G. Huntington*

author keywords: steers; beef; hulls; soybean; metabolism; nitrogen
TL;DR: A 50:50 soybean hull:corn grain supplement fed at 0.75% of body weight decreased ad libitum gamagrass or orchardgrass hay intake by steers, but increased total dry matter intake, DM digestibility, N intake, and N retained. (via Semantic Scholar)
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
Source: Web Of Science
Added: August 6, 2018

2005 journal article

Technical note: Technique for dissection and analysis of the rumen in young calves

JOURNAL OF DAIRY SCIENCE, 88(1), 324–326.

By: . Hill n, B. Hopkins n, S. Davidson n, S. Bolt n, D. Diaz n, C. Brownie n, T. Brown n, G. Huntington n, L. Whitlow n

author keywords: calf; rumen; development; papilla
MeSH headings : Animal Nutritional Physiological Phenomena; Animals; Cattle / anatomy & histology; Diet; Dissection / methods; Dissection / veterinary; Microscopy, Electron, Scanning; Rumen / anatomy & histology; Rumen / growth & development; Software
TL;DR: A technique used to evaluate rumen development in young calves, including removal, dissection, and analysis of tissue is discussed, which allowed for examination of the different sacs of the rumen using scanning electron microscopy to measure papillae denseness and histology slides to measure Papillae length and width. (via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger (OpenAlex)
13. Climate Action (Web of Science)
Source: Web Of Science
Added: August 6, 2018

2003 journal article

Pancreatic exocrine secretion in steers infused postruminally with casein and cornstarch

Journal of Animal Science, 81(4), 1051–1056.

By: C. Richards*, K. Swanson*, S. Paton*, D. Harmon* & G. Huntington n

MeSH headings : Abomasum / metabolism; Abomasum / physiology; Animals; Caseins / administration & dosage; Caseins / metabolism; Catheterization; Cattle / metabolism; Cattle / physiology; Chymotrypsin / analysis; Chymotrypsin / metabolism; Dose-Response Relationship, Drug; Duodenum / metabolism; Duodenum / physiology; Hydrogen-Ion Concentration; Infusions, Intravenous / veterinary; Male; Pancreas / metabolism; Pancreatic Juice / chemistry; Pancreatic Juice / metabolism; Starch / administration & dosage; Starch / metabolism; Trypsin / analysis; Trypsin / metabolism; alpha-Amylases / analysis; alpha-Amylases / metabolism
TL;DR: Abomasal infusion of protein with starch stimulated a greater pancreatic secretion of alpha-amylase activity into the intestine than infusion of starch alone, and postruminal protein infusion on pancreatic exocrine secretions was evaluated. (via Semantic Scholar)
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (OpenAlex)
Source: NC State University Libraries
Added: August 6, 2018

2002 journal article

Intestinal starch disappearance increased in steers abomasally infused with starch and protein

Journal of Animal Science, 80(12), 3361–3368.

By: C. Richards*, A. Branco*, D. Bohnert*, G. Huntington n, M. Macari* & D. Harmon*

MeSH headings : Abomasum / metabolism; Animals; Caseins / administration & dosage; Cattle / metabolism; Digestion; Dose-Response Relationship, Drug; Intestinal Absorption; Intestine, Small / metabolism; Male; Starch / pharmacokinetics
TL;DR: Starch disappearance from the small intestine was increased with greater protein flow to the duodenum of steers, and casein infusion did not affect the quantity or percent of organic matter, starch, or protein disappearance in the large intestine. (via Semantic Scholar)
Source: NC State University Libraries
Added: August 6, 2018

2002 journal article

Nitrogen metabolism of beef steers fed endophyte-free tall fescue hay: Effects of ruminally protected methionine supplementation

Journal of Animal Science, 80(5), 1344–1351.

By: S. Archibeque n, J. Burns n & G. Huntington n

MeSH headings : Animal Feed; Animal Nutritional Physiological Phenomena; Animals; Blood Urea Nitrogen; Cattle / metabolism; Dietary Supplements; Feces / chemistry; Male; Methionine / administration & dosage; Methionine / metabolism; Nitrogen / metabolism; Nutritional Requirements; Poaceae; Rumen / metabolism; Urea / pharmacokinetics
Source: NC State University Libraries
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), 533–541.

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

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
TL;DR: Protein supplementation of growing steers can be managed to maintain acceptable ADG yet decrease excretion of urea in the urine, as evidenced by lower concentrations of Urea in blood and lower UUN. (via Semantic Scholar)
Source: NC State University Libraries
Added: August 6, 2018

2001 journal article

Urea flux in beef steers: Effects of forage species and nitrogen fertilization

Journal of Animal Science, 79(7), 1937–1943.

By: S. Archibeque n, J. Burns n & G. Huntington n

MeSH headings : Animal Feed; Animals; Cattle / metabolism; Digestion; Fertilizers; Male; Nitrogen / metabolism; Poaceae / metabolism; Urea / metabolism
TL;DR: N levels affected N metabolism of steers more when they are fed gamagrass than when they were fed switchgrass, with a greater efficiency of N use at low N intakes. (via Semantic Scholar)
Source: NC State University Libraries
Added: August 6, 2018

2000 journal article

High-starch rations for ruminant production discussed.

Feedstuffs, 72(20), 12–13.

By: G. Huntington

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

2000 journal article

Influence of the novel urease inhibitor N-(n-butyl) thiophosphoric triamide on ruminant nitrogen metabolism: II. Ruminal nitrogen metabolism, diet digestibility, and nitrogen balance in lambs

Journal of Animal Science, 78(1), 188–198.

By: P. Ludden*, D. Harmon*, G. Huntington n, B. Larson* & D. Axe

MeSH headings : Ammonia / blood; Animal Feed; Animals; Blood Glucose / metabolism; Digestion / drug effects; Enzyme Inhibitors / pharmacology; Kinetics; Male; Nitrogen / metabolism; Organophosphorus Compounds / pharmacology; Rumen / drug effects; Rumen / enzymology; Rumen / metabolism; Sheep / growth & development; Sheep / metabolism; Urease / antagonists & inhibitors
TL;DR: The results suggest that although NBPT is capable of inhibiting ruminal urease short-term, the ruminal microflora may be capable of adapting to chronic NBPT administration, thereby limiting its practical use in improving the utilization of dietary urea. (via Semantic Scholar)
Source: NC State University Libraries
Added: August 6, 2018

2000 journal article

Nitrogen metabolism of early lactation cows fed diets with two different levels of protein and different amino acid profiles

JOURNAL OF DAIRY SCIENCE, 83(11), 2585–2595.

By: A. Bach n, G. Huntington*, S. Calsamiglia & M. Stern n

author keywords: amino acids; milk production; plasma flow; protein
MeSH headings : Amino Acids / blood; Amino Acids / metabolism; Animal Feed / analysis; Animals; Cattle; Dietary Proteins; Female; Insulin / blood; Lactation / physiology; Liver Circulation; Mammary Glands, Animal / blood supply; Mammary Glands, Animal / physiology; Mesenteric Veins; Milk / chemistry; Milk / metabolism; Nitrogen / metabolism; Parity; Urea / blood
TL;DR: It is concluded that milk protein production during early lactation is less susceptible to variations in dietary CP contents than variations in the AA profile of the dietary protein. (via Semantic Scholar)
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
Source: Web Of Science
Added: August 6, 2018

2000 journal article

Response of nitrogen metabolism in preparturient dairy cows to methionine supplementation

Journal of Animal Science, 78(3), 742–749.

By: A. Bach*, G. Huntington n & M. Stern*

MeSH headings : Animal Feed; Animals; Cattle / metabolism; Dairying; Dietary Supplements; Energy Intake; Female; Labor, Obstetric; Liver / metabolism; Methionine / blood; Methionine / metabolism; Nitrogen / metabolism; Pregnancy; Rumen / metabolism; Splanchnic Circulation; Urea / blood
TL;DR: Results indicate that methionine was the limiting amino acid with Control and that MET was beneficial because it increased methionin supply to peripheral tissues and reduced arterial urea concentrations. (via Semantic Scholar)
Source: NC State University Libraries
Added: August 6, 2018

1999 journal article

Sources of variation in splanchnic blood flow in steers

Journal of Animal Science, 77(11), 3031–3036.

By: G. Huntington n

MeSH headings : Animals; Cattle / physiology; Male; Regional Blood Flow; Splanchnic Circulation
TL;DR: It is concluded that steer and replication within steer x period cells in a matrix of treatments are the two largest sources of variation and that there is more variation among samples on a given day within steer X period cells than among days in the same cells. (via Semantic Scholar)
Source: NC State University Libraries
Added: August 6, 2018

1998 journal article

Glucose metabolism and milk yield of cows infused abomasally or ruminally with starch

JOURNAL OF DAIRY SCIENCE, 81(12), 3248–3258.

By: K. Knowlton*, T. Dawson*, B. Glenn*, G. Huntington n & R. Erdman*

author keywords: dairy cows; starch infusion; glucose metabolism
MeSH headings : Abomasum / drug effects; Abomasum / metabolism; Animals; Blood Glucose / metabolism; Cattle / physiology; Digestion; Eating; Fatty Acids, Nonesterified / blood; Female; Glucagon / metabolism; Glucose / metabolism; Insulin / blood; Kinetics; Lactation / physiology; Lactose / metabolism; Oxidation-Reduction; Rumen / drug effects; Rumen / metabolism; Starch / administration & dosage
TL;DR: Infusion of starch abomasally resulted in increases of most uses of glucose, including milk lactose production, glucose oxidation, and the possible storage of glucose as body fat, which indicates that the early lactation dairy cow has a greater capacity for glucose metabolism than is provided by voluntary feed intake of average diets. (via Semantic Scholar)
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
Source: Web Of Science
Added: August 6, 2018

1997 journal article

Insulin sensitivity and responsiveness of portal drained viscera, liver, hindquarters, and whole body of beef steers weighing 275 or 490 kilograms

Journal of Animal Science, 75(8), 2084–2091.

By: J. Eisemann n, G. Huntington n & D. Catherman n

MeSH headings : Aging / physiology; Animals; Blood Glucose / analysis; Body Weight / physiology; Cattle / genetics; Cattle / metabolism; Cattle / physiology; Diet / veterinary; Glucose / metabolism; Glucose / pharmacology; Hindlimb / blood supply; Hindlimb / physiology; Insulin / blood; Insulin / metabolism; Insulin Resistance / physiology; Liver / blood supply; Liver / physiology; Male; Portal System / physiology; Seasons; Viscera / blood supply; Viscera / physiology
TL;DR: It is concluded that as steers grew older, heavier, and fatter, their peripheral tissues and liver became less sensitive and less responsive to insulin. (via Semantic Scholar)
Source: NC State University Libraries
Added: August 6, 2018

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