摘要
选择30头18月龄的西门塔尔牛×本地黄牛的杂种一代阉牛,随机分为试验组和对照组,每组15头。对照组饲喂基础日粮,试验组在基础日粮中添加0.2%复合酶制剂,育肥91d,结果表明;对照组与试验组牛头均分别增重62.70kg,84.80kg,两组差异极显著(P<0.01),试验组较对照组头均多增重22.1kg,头均每天可增收2.39元,经济效益显著。
30 Simmental X Local Yellow Cattle F1 Steers at the age of 18 months were selected and randomly divided into both test and control groups and 15 catfles per growp. The eattles in the control group were fed with basic diet and the eattles in the test group were fed with basie diet added 0. 2% compound enzyme preparation. The time of fattening was 91 days. The results showed that that the average gait per cattle in the control and the test grouts were 62.70 and 84.80kg,respeetively. There was very significant differenel between the control and the test groups (P 〈 0.01). The average gait per cattle in the test group increased 22.1 kg than that in the control group. The average income of each cattle per day in the test group increased 2.39 yuan than that in the control group and there was the significant economic benefit.
出处
《青海畜牧兽医杂志》
2009年第4期26-27,共2页
Chinese Qinghai Journal of Animal and Veterinary Sciences
关键词
复合酶制剂
育肥
西门塔尔杂种阉牛
Compound enzyme preparation
Fattening
Simmental hybrid steer