【摘要】 选择 40头成年阉牦牛 ,( 2 0头为试验组、2 0头为对照组 ) ,进行围栏草地上短期放牧育肥试验。结果 ,在围栏草地上放牧育肥的试验组阉牦牛 ,试验组每头牦牛的总增重比对照组提高 3 .3 1kg ,平均日增重 83g ,提高 44 % ,(P <0 .0 1)。试验组比对照组牦牛每头分别增收 2 6.48元更多还原

【Abstract】 Adult gelded yaks(20 in the test group and in the control group ,resp.) were used to conduct a fateening test of pasturing in the enclosed pasture in a short time.The results were that the total gain and the average daily gain pre test yak increased 3.31 kg and 83 g (inereasing 44%),resp.than those in the cotrol group (P<0.01).The increasing income was 24.48 Yuan in a yak of test group than in a yak of control group.更多还原