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2024 article
16 Overview of trace minerals and considerations in defining their requirements
Spears, J. W. (2024, September 13). JOURNAL OF ANIMAL SCIENCE, Vol. 102, pp. 71–71.
2024 journal article
Chromium propionate in turkeys: effect on performance and animal safety
POULTRY SCIENCE, 103(1).
2024 article
Copper, manganese, and zinc source and concentration in free-choice mineral supplements influence production throughout three cow-calf production cycles
Farmer, C. G., Engle, T. E., Spears, J. W., & Heldt, J. S. (2024, September 13). JOURNAL OF ANIMAL SCIENCE, Vol. 102, pp. 81–82.
2024 article
Effects of trace mineral source and chromium propionate supplementation on rumen fermentation, growth performance, and carcass characteristics in finishing beef steers
Heldt, J. S., Loh, H. Y., Spears, J. W., Lloyd, K., & Engle, T. E. (2024, September 13). JOURNAL OF ANIMAL SCIENCE, Vol. 102, pp. 71–72.
2024 article
The influence of trace mineral source on in vitro trace mineral solubility and trace mineral concentrations of rumen microorganisms in canulated steers fed a diet formulated for lactating dairy cows
Loh, H. Y., Spears, J., Gibbons, A., Quevedo, A., Guimaraes, O., Miller, A. C., … Engle, T. E. (2024, September 14). JOURNAL OF ANIMAL SCIENCE, Vol. 102, pp. 741–742.
2024 article
Trace Mineral Source Influences Trace Mineral Solubility in Water and Mineral Binding Strength to Ruminal Digesta
Loh, H. Y., Spears, J. W., Guimaraes, O., Miller, A. C., Thorndyke, M. P., Thomas, T. A., & Engle, T. E. (2024, July 30). BIOLOGICAL TRACE ELEMENT RESEARCH.
2024 journal article
Trace mineral source and chromium propionate supplementation affect performance and carcass characteristics in feedlot steers
JOURNAL OF ANIMAL SCIENCE, 102.
2024 journal article
Trace mineral sources influence in vitro fermentation characteristics and trace mineral solubility
JOURNAL OF ANIMAL SCIENCE, 102.
2023 journal article
Chromium propionate in turkeys: effects on insulin sensitivity
POULTRY SCIENCE, 103(1).
2023 journal article
Evaluation of Trace Mineral Sources
VETERINARY CLINICS OF NORTH AMERICA-FOOD ANIMAL PRACTICE, 39(3), 413–424.
2023 journal article
Research Note: Chromium propionate for turkeys: effect on tissue chromium concentrations and human food safety
POULTRY SCIENCE, 103(1).
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., … Engle, T. E. (2023, November 6). JOURNAL OF ANIMAL SCIENCE, Vol. 101, pp. 398–399.
2022 journal article
Dietary copper supplementation modulates performance and lipid metabolism in meat goat kids
JOURNAL OF INTEGRATIVE AGRICULTURE, 22(1), 214–221.
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), 252–267.
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).
2021 journal article
Effects of supplemental zinc on ruminal fermentation in continuous cultures
Applied Animal Science, 37(1), 27–32.
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).
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., … Rounds, W. (2020, November). JOURNAL OF ANIMAL SCIENCE, Vol. 98, pp. 88–88.
2020 journal article
Chromium propionate increases insulin sensitivity in horses following oral and intravenous carbohydrate administration
JOURNAL OF ANIMAL SCIENCE, 98(4).
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), 745–753.
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. 133–133.
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), 5070–5073.
2020 article
Ruminal microbiota mineral requirements to optimize performance on different diets
Spears, J. W. (2020, November). JOURNAL OF ANIMAL SCIENCE, Vol. 98, pp. 139–139.
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. 443–443.
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. 442–442.
2019 journal article
Chromium propionate in broilers: human food and broiler safety
Poultry Science, 98(12), 6579–6585.
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.
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), 1852–1864.
2018 journal article
Boron, Chromium, Manganese, and Nickel in Agricultural Animal Production
BIOLOGICAL TRACE ELEMENT RESEARCH, 188(1), 35–44.
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, 1–5.
2017 journal article
Chromium concentrations in ruminant feed ingredients
JOURNAL OF DAIRY SCIENCE, 100(5), 3584–3590.
2016 journal article
Chromium propionate in broilers: effect on insulin sensitivity
POULTRY SCIENCE, 95(5), 1096–1104.
2016 journal article
Dietary Iron Deficiency and Oversupplementation Increase Intestinal Permeability, Ion Transport, and Inflammation in Pigs
JOURNAL OF NUTRITION, 146(8), 1499–1505.
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), 401–406.
2016 conference paper
History of chromium and its relationship to glucose metabolism
2016 Cornell Nutrition Conference for Feed Manufacturers, 1–8.
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.
2013 journal article
Bioavailability in chicks of zinc from zinc propionate
JOURNAL OF APPLIED POULTRY RESEARCH, 22(2), 153–159.
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), 5004–5010.
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), 1530–1535.
2013 journal article
Minerals in forages
Forage Quality, Evaluation, and Utilization, 281.
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.
2012 journal article
Chromium propionate enhances insulin sensitivity in growing cattle
JOURNAL OF DAIRY SCIENCE, 95(4), 2037–2045.
2012 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.
2012 journal article
Relative bioavailability in chicks of manganese from manganese propionate
JOURNAL OF APPLIED POULTRY RESEARCH, 21(1), 126–130.
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.
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), 32385–32392.
2010 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.
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.
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), 656–665.
2010 journal article
Investigation of breed and sex effects on cytochrome P450 gene expression in cattle liver
RESEARCH IN VETERINARY SCIENCE, 90(2), 235–237.
Contributors: M. Ashwell n, R. Fry n, n, . A.T. O'Nan n & C. Maltecca n
2009 journal article
Age and Dietary Iron Affect Expression of Genes Involved in Iron Acquisition and Homeostasis in Young Pigs
JOURNAL OF NUTRITION, 140(2), 271–277.
2009 journal article
Bioaccessibility of iron from soil is increased by silage fermentation
JOURNAL OF DAIRY SCIENCE, 92(6), 2896–2905.
2009 journal article
Effect of dietary boron on immune function in growing beef steers*
JOURNAL OF ANIMAL PHYSIOLOGY AND ANIMAL NUTRITION, 94(3), 273–279.
2009 journal article
Effects of water quality and dietary potassium on performance and carcass characteristics of yearling steers
JOURNAL OF ANIMAL SCIENCE, 88(1), 296–305.
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), 1474–1479.
2009 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), 275–283.
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), 4161–4166.
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), 3069–3078.
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), 449–458.
2008 journal article
Role of antioxidants and trace elements in health and immunity of transition dairy cows
Veterinary Journal, 176(1), 70–76.
2008 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.
2008 journal article
Uptake of zinc from zinc sulfate and zinc proteinate by ovine ruminal and omasal epithelia
JOURNAL OF ANIMAL SCIENCE, 86(6), 1357–1363.
2007 journal article
Bioavailability of copper from copper glycinate in steers fed high dietary sulfur and molybdenum
JOURNAL OF ANIMAL SCIENCE, 86(1), 173–179.
2007 journal article
Effects of Dietary Metabolizable Energy and Protein on Early Growth Responses of Broilers to Dietary Lysine
Poultry Science, 86(12), 2639–2648.
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), 871–876.
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.
2007 journal article
Plasma diamine oxidase: A biomarker of copper deficiency in the bovine
JOURNAL OF ANIMAL SCIENCE, 85(9), 2198–2204.
2006 journal article
Decreased brain copper due to copper deficiency has no effect on bovine prion proteins
BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS, 352(4), 884–888.
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.
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.
2006 journal article
Growth, reproductive performance, and manganese status of heifers fed varying concentrations of manganese
JOURNAL OF ANIMAL SCIENCE, 84(12), 3375–3380.
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), 635–640.
2005 journal article
Differential responses to dietary cobalt in finishing steers fed corn-versus barley-based diets
Journal of Animal Science, 83(11), 2580–2589.
2005 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.
2005 journal article
Effect of chromium supplementation and copper status on performance and reproduction of beef cows
ANIMAL FEED SCIENCE AND TECHNOLOGY, 128(3-4), 266–275.
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.
2005 journal article
The effect of early weaning on feedlot performance and measures of stress in beef calves
Journal of Animal Science, 83(4), 933–939.
2004 journal article
Bioavailability of copper from tribasic copper chloride and copper sulfate in growing cattle
ANIMAL FEED SCIENCE AND TECHNOLOGY, 116(1-2), 1–13.
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.
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), 1234–1240.
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.
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), 261–269.
2004 journal article
Effect of zinc source and dietary level on zinc metabolism in Holstein calves
JOURNAL OF DAIRY SCIENCE, 87(4), 1085–1091.
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), 1438–1446.
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), 237–241.
2003 journal article
Advances in mineral nutrition for ruminants studied
Feedstuffs, 75(29), 12.
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), 2552–2561.
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), 1357–1362.
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), 318–322.
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.
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), 2063–2071.
2003 journal article
Estimated copper requirements of Angus and Simmental heifers
Journal of Animal Science, 81(4), 865–873.
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), 3151–3159.
2003 journal article
Trace mineral bioavailability in ruminants
Journal of Nutrition, 133(5), 1506S–1509.
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.
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), 2747–2752.
2002 journal article
Iron methionine as a source of iron for the neonatal pig
NUTRITION RESEARCH, 22(10), 1209–1217.
2002 journal article
Long-term effects of boron supplementation on reproductive characteristics and bone mechanical properties in gilts
Journal of Animal Science, 80(1), 154–161.
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), 2308–2313.
2001 journal article
Dietary phosphorus and an inflammatory challenge affect performance and immune function of weanling pigs
Journal of Animal Science, 79(2), 413–419.
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), 3120–3127.
2001 journal article
Effect of pharmacological concentrations of dietary copper on lipid and cholesterol metabolism in pigs
NUTRITION RESEARCH, 21(9), 1299–1308.
Contributors: T. Armstrong n, n, T. Engle n & M. See n
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.
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.
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), 2920–2925.
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. 2575–2581.
2000 journal article
Dietary copper effects on lipid metabolism and circulating catecholamine concentrations in finishing steers
Journal of Animal Science, 78(10), 2737–2744.
2000 journal article
Dietary copper effects on lipid metabolism, performance, and ruminal fermentation in finishing steers
Journal of Animal Science, 78(9), 2452–2458.
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), 1154–1161.
2000 journal article
Effect of dietary copper level on performance and copper status of growing meat goats
Sheep & Goat Research Journal, 16(2000), 65–71.
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), 2446–2451.
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), 1053–1059.
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), 2713–2721.
2000 journal article
High dietary copper improves odor characteristics of swine waste.
Journal of Animal Science, 78(4), 859.
2000 article
Micronutrients and immune function in cattle
Spears, J. W. (2000, November). PROCEEDINGS OF THE NUTRITION SOCIETY, Vol. 59, pp. 587–594.
2000 journal article
Peptide YY administration decreases brain aluminum in the Ts65Dn Down syndrome mouse model
Growth, Development, & Aging, 64(1-2), 3–19.
1999 journal article
Chromium and cattle nutrition
JOURNAL OF TRACE ELEMENTS IN EXPERIMENTAL MEDICINE, 12(2), 141–147.
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.
1999 journal article
Reevaluation of the metabolic essentiality of the minerals - Review
ASIAN-AUSTRALASIAN JOURNAL OF ANIMAL SCIENCES, 12(6), 1002–1008.
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), 230–237.
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), 3286–3292.
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), 139–144.
1997 journal article
Effect of shipping and chromium supplementation on performance, immune response, and disease resistance of steers
Journal of Animal Science, 75(7), 1956–1964.
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), 1112–1118.
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), 409–416.
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), 3057–3065.
1997 journal article
Performance and glucose metabolism in calves fed a chromium-nicotinic acid complex or chromium chloride
JOURNAL OF DAIRY SCIENCE, 80(8), 1744–1750.
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), 1–11.
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), 1400–1408.
1996 article
Beef nutrition in the 21st century
Spears, J. W. (1996, April). ANIMAL FEED SCIENCE AND TECHNOLOGY, Vol. 58, pp. 29–35.
1996 article
Organic trace minerals in ruminant nutrition
Spears, J. W. (1996, April). ANIMAL FEED SCIENCE AND TECHNOLOGY, Vol. 58, pp. 151–163.
1992 journal article
The effects of antibiotic prophylaxis on postoperative complications after rumenotomy in cattle
Journal of the American Veterinary Medical Association, 200(9), 1332–1335.
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.
1990 journal article
IONOPHORES AND NUTRIENT DIGESTION AND ABSORPTION IN RUMINANTS
JOURNAL OF NUTRITION, 120(6), 632–638.
1989 journal article
Influence of lysocellin and monensin on mineral metabolism of steers fed forage-based diets
Journal of Animal Science, 67(8), 2140.
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.
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.
1984 journal article
PERFORMANCE, RUMINAL AND SERUM CHARACTERISTICS OF STEERS FED LASALOCID ON PASTURE
JOURNAL OF ANIMAL SCIENCE, 58(2), 460–464.
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