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Publikováno v:
Journal of animal science. 95(10)
We previously have shown that plasma concentrations of endocannabinoids (EC) are positively correlated with feed efficiency and leaner carcasses in finishing steers. However, whether the animal growth during the finishing period affects the concentra
Publikováno v:
Journal of animal science. 95(7)
The impetus behind the global food security challenge is direct, with the necessity to feed almost 10 billion people by 2050. Developing a food-secure world, where people have access to a safe and sustainable food supply, is the principal goal of thi
Publikováno v:
Journal of animal science. 94(2)
Fourteen percent of U.S. cattle slaughtered in 2011 had liver abscesses, resulting in reduced carcass weight, quality, and value. Liver abscesses can result from a common bacterial cause, , which inhabits rumen lesions caused by acidosis and subseque
Publikováno v:
Journal of animal science. 94(1)
Research regarding the association between the microbial community and host feed efficiency in cattle has primarily focused on the rumen. However, the various microbial populations within the gastrointestinal tract as a whole are critical to the over
Autor:
L. A. Kuehn, J. L. Shelton, J. Zhao, Mark J. Estienne, L. L. Southern, A. F. Harper, B.K. Perkins, T. D. Bidner, Kenneth E. Webb
Publikováno v:
The Professional Animal Scientist. 24:604-613
Two experiments (140 pigs in Exp. 1; 120 pigs in Exp. 2) evaluated a marine-based hydrolyzed protein source, (Peptiva Vitech Bio-Chem, San Fernando, CA) as a replacement for spray dried plasma protein (SDPP) in phase I weanling pig diets. Pigs (19 ±
Autor:
W M, Snelling, G L, Bennett, J W, Keele, L A, Kuehn, T G, McDaneld, T P, Smith, R M, Thallman, T S, Kalbfleisch, E J, Pollak
Publikováno v:
Journal of animal science. 93(11)
The genome sequence was obtained from 270 sires used in the Germplasm Evaluation (GPE) project. These bulls included 154 purebred AI sires from GPE Cycle VII breeds (Hereford, Angus, Simmental, Limousin, Charolais, Gelbvieh, and Red Angus), 83 F cros
Publikováno v:
Journal of animal science. 93(11)
Apart from the rumen, limited knowledge exists regarding the structure and function of bacterial communities within the gastrointestinal tract and their association with beef cattle feed efficiency. The objective of this study was to characterize the
Publikováno v:
Journal of animal science. 93(1)
Heterosis, assumed proportional to expected breed heterozygosity, was calculated for 6834 individuals with birth, weaning and yearling weight records from Cycle VII and advanced generations of the U.S. Meat Animal Research Center (USMARC) Germplasm E
Autor:
J C, Emenheiser, R G, Tait, S D, Shackelford, L A, Kuehn, T L, Wheeler, D R, Notter, R M, Lewis
Publikováno v:
Journal of animal science. 92(9)
The experiment was designed to validate the use of ultrasound to evaluate body composition in mature beef cows. Both precision and accuracy of measurement were assessed. Cull cows (n = 87) selected for highly variable fatness were used. Two experienc