搜索结果: 1-2 共查到“兽医学 Steers”相关记录2条 . 查询时间(0.077 秒)
Influence of polymer-coated slow-release urea on total tract apparent digestibility, ruminal fermentation and performance of Nellore steers
Slow-release Urea Ammonia Average Daily Gain Non-protein Nitrogen
2017/3/7
Two experiments were performed to evaluate the effects of coated slow-release urea on nutrient digestion, ruminal fermentation, nitrogen utilization, blood glucose and urea concentration (Exp 1), and ...
A comparison of stress hormone concentrations at slaughter in Nguni, Bonsmara and Angus steers
Stress cortisol dopamine adrenaline animal welfare breed
2009/3/4
Concentrations of stress hormones at slaughter were determined in 15 of each of 18-month old Angus, Bonsmara and Nguni steers. The steers were slaughtered at the East London Abattoir, which is a...