添加益生素对羔羊增重效果的影响

选用3月龄羔羊40只,随机分为4组。三个试验组绵羊的基础日粮中添加益生素0.05g,0.10g,0.15g/只,d,对照组绵羊不添加益生素,共饲喂46d,以观察益生素对羔羊增重及生长发育的影响。试验结果表明:绵羊添加益生素0.10g/只,d时,育肥羔羊的增重、日增重、料重比、钙、磷、粗蛋白的表观消化率最高,即羔羊饲料中0.10g/d剂量的益生素,可使育肥羔羊得到最佳的增重效果。

Effect of Probiotics Added to Ration on Liveweight Gain of Lamb

40 three years old lamb were randomly divided into four groups. In order to observe the effect of probiotics on liveweight gain and growth and development of lamb, the ration of lamb in the test groups were added 0.05g/d.0.10g/d.0.15 g/d. probiotics pes lamb, respectively. The ration of lamb in the control group was added probiotics. The period of test was 46 days. The results showed that when 0.10g/d probiotics were added to ration of lamb, the liveweight gain, daily liveweight gain, the ratio of feeding to body weight and the apparent digestibility of calcium, phosphorus and crude protein were the best. It was indicated that the supplement of 0.10g/d probiotics in the ration of lamb may obtain the best effect of live weight gain.