不同日粮组合对羔羊育肥的增重试验

Effect of different diet composition on gaining weight in fattening lamb

在同一个品种、同一种饲养条件下,采用不同的日粮组合,对两组羔羊进行育肥试验,每组30只,A组用全价羔羊料,B组用肉羊浓缩料配合玉米及麸皮,试验结果表明A组羔羊体重均极显著高于B组(P<0.01),A组羔羊增重为25.11 kg,B组为16.93 kg,羔羊的平均日增重A组为209.25 g,B组为141.08 g(P<0.01),同时,A组羔羊的体长、体高和胸围均极显著高于B组(P<0.01)。

The experiment on two groups of fattening lamb was carried out by using different combinations of diet under the same species, same feeding conditions, each group include 30 lambs. The group A lambs were fed complete lamb feed, the group B lambs were fed concentrates with corn and bran. The results showed that body weight of A group lamb were significantly higher than that of group B lamb（P〈0.01）, group A lamb increased by 25.11 kg in body weight, the group B lambs increased by16.93 kg. The average daily gain of group A lamb was 209.25 g, the average daily gain of group B lamb was141.08 g（P〈0.01）. The body length, body height and chest circumference of group A lamb were significantly higher than that of group B（P〈0.01）.