نتائج البحث

1

دورية أكاديمية

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

المؤلفون: Spears, J. W.¹ JerrySpears@ncsu.edu, Lloyd, K. E.¹, Fry, R. S.¹

المصدر: Journal of Animal Science. Aug2011, Vol. 89 Issue 8, p2502-2509. 8p.

مصطلحات موضوعية: *BEEF cattle, *ANIMAL feeding behavior, *CATIONS, *ANIMAL feeds, *FORAGE plants

2

دورية أكاديمية

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.

المؤلفون: Hansen, S. L., Trakooljul, N., Liu, H.-C. S., Hicks, J. A., Ashwell, M. S., Spears, J. W.

المصدر: Journal of Animal Science; Jan2010, Vol. 88 Issue 1, p275-283, 9p

مصطلحات موضوعية: PROTEINS, IRON metabolism, COPPER in animal nutrition, MANGANESE in animal nutrition, BEEF cattle, CERULOPLASMIN, LIVER, INTESTINES, DUODENUM

3

دورية أكاديمية

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

المؤلفون: Harisen, S. L., Schlegel, P., Legleiter, L. R., Lloyd, K. E., Spears, J. W.

المصدر: Journal of Animal Science; Jan2008, Vol. 86 Issue 1, p173-179, 7p, 5 Charts, 2 Graphs

مصطلحات موضوعية: BIOAVAILABILITY, BIOAVAILABILITY of copper, MOLYBDENUM, ANIMAL nutrition, BEEF cattle, CERULOPLASMIN, REGRESSION analysis, BIOCHEMISTRY, MULTIVARIATE analysis

4

دورية أكاديمية

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

المؤلفون: Tiffany, M. E.¹, Spears, J. W.¹ JerrySpears@ncsu.edu

المصدر: Journal of Animal Science. Nov2005, Vol. 83 Issue 11, p2580-2589. 10p.

مصطلحات موضوعية: *COBALT in the body, *BEEF cattle, *TRANSITION metals, *BILIARY tract, *CHEMICAL ecology, *BIOLOGICAL products

5

دورية أكاديمية

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.

المؤلفون: Engle, T. E., Spears, J. W.

المصدر: Animal Science; Apr2004, Vol. 78 Issue 2, p261-269, 9p, 6 Charts

مصطلحات موضوعية: ABERDEEN-Angus cattle, BEEF cattle, CATTLE carcasses, COPPER in animal nutrition, CORN as feed, FATTY acids

6

دورية أكاديمية

Plasma diamine oxidase as a biomarker of copper deficiency in the bovine.

المؤلفون: Legleiter, L. R.¹, Spears, J. W.¹

المصدر: Journal of Animal Science. Aug2006 Supplement 1, Vol. 84, p440-440. 1/3p.

مصطلحات موضوعية: *CATTLE, *CALVES, *BEEF cattle, *COPPER, *BOS, *HEIFERS, *MOLYBDENUM

7

دورية أكاديمية

Effects of lysocellin and calcium level on mineral metabolism, performance and ruminal and plasma characteristics of beef steers

المؤلفون: Spears, J. W., Harvey, R. W., Kegley, E. B.

المصدر: Journal of Animal Science; Feb1991, Vol. 69 Issue 2, p782, 0p

مصطلحات موضوعية: BEEF cattle, CALCIUM, METABOLISM, PERFORMANCE, RUMINANT nutrition

8

دورية أكاديمية

Salinomycin and lasalocid effects on growth rate, mineral metabolismand ruminal fermentation in steers

المؤلفون: Spears, J. W., Harvey, R. W., Lucas, D. M. Lucas, Reffett-Stabel, J.

المصدر: Journal of Animal Science; Oct1989, Vol. 67 Issue 10, p2735, 0p

مصطلحات موضوعية: BEEF cattle, MINERAL metabolism, GROWTH rate

9

دورية أكاديمية

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

المؤلفون: Burns, J. C., Spears, J. W., Schricker, B. R.

المصدر: Journal of Animal Science; Aug1989, Vol. 67 Issue 8, p2140, 0p

مصطلحات موضوعية: RUMINANT nutrition, METABOLISM, BEEF cattle

10

دورية أكاديمية

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

المؤلفون: Spears, J. W., Burns, J. C., Wolfrom, G. W.

المصدر: Journal of Animal Science; Feb1989, Vol. 67 Issue 2, p547, 0p

مصطلحات موضوعية: BEEF cattle

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