饲料中添加康贝对荷斯坦乳牛产奶量及乳成分的影响  

Effects of COMBO on Milk Production and Composition in Holstein Dairy Cow

作　　者：李胜利[1] 冯仰廉[1] 程起方[1] 关鸣[2] 秋弘 王运亨 张振山 叶志廉 

机构地区：[1]中国农业大学动物科技学院,100094 [2]北京东方联鸣科技发展有限公司,100071 [3]北京西郊奶牛公司,100094 [4]北京光明健康乳业有限公司

出　　处：《中国奶牛》2001年第6期15-16,共2页China Dairy Cattle

摘　　要：奶牛日粮添加13克高活性康贝,试验组的产奶量比对照组提高178千克P<005;添加20克,增幅达274千克P<001,乳脂量比对照组高988%P<005,牛奶中体细胞数低于13克组和对照组P<005。大群饲喂20克康贝的生产试验也获得了相似的结果。Compared with the control group,supplementation with 13g COMBO in the ration of high yielding dairy cows significantly increased average daily milk yield by 1.78kg(P<0.05),and continuously went up by 2.74kg(P<0.05)with ghe growing supplementation of 20g.Milk fat yield was higher tnat that of control group when 20g COMBO was fed,while the somatic cell count (SCC) in the milk was markedly lower that those of control and 13g fed groups.Similar results were obtained throught fhe 20g fed trials in some larger commercial dairy herds.

关 键 词：荷斯坦奶牛 康贝 产奶量 乳成分 饲料添加剂 

分 类 号：S823.915[农业科学—畜牧学] S816.7[农业科学—畜牧兽医]