摘要
选择中国荷斯坦泌乳牛饲喂增奶威活性饲料添加剂。结果表明:增奶威可提高产奶量5-5.8%,增加乳脂率0.04%,牛奶中的体细胞数下降57%,胎衣滞留比率降低,投入产出比达到1:3.8。
Zhengnaiwei,a kind of active bio-additive,was feed to milking cows.The results show:the milk prodution can be improved by 5-5.8%;the butterfat rate increase 0.04%;the body cell in milk decrease 57%;the placenta keep a good condition;the input/output got 1:3.68.
出处
《中国奶牛》
北大核心
2002年第3期20-21,共2页
China Dairy Cattle