冷季藏系羊补饲的效果观察

Experiment on Supplement for Tibetan sheep in Cold Season

通过对20头2岁母藏系羊补饲,在补饲期间期中增重3.32kg,增重率为14.46%。期末增重0.91kg,增重率为3.81%。试验组羊总增重4.23kg,增重率为17.20%。对照组羊在期中增重-0.69 kg,增重率为-3.51%。对照组羊总增重-3.36kg,总增重率为-19.83%。补饲结束后在6月份增重2.65kg,增重率为9.99%。7月份增重8.03kg,增重率为23.24%。8月份增重5.18kg,增重率为13.04%。9月份增重8.73kg,增重率为17.42%。夏秋总增重21.59kg,增重率为44.88%。对照组羊在6月份增重0.29kg,增重率为1.70%。7月份增重3.74kg,增重率为17.92%。8月份增重2.13kg,增重率为9.26%。9月份增重6.22kg,增重率为21.22%。对照组羊在夏秋草场总增重12.09kg,增重率为41.88%。

20 female tibetan sheep aged 2 were supplemented,During supplement,gaining weight is 3.32kg,gaining weight rate is 14.46%.In end of supplement,gaining weight is 0.91kg,gaining weight rate is 3.81%.Total gaining weight for experimental group is 4.23kg,gaining weight rate is 17.20%,but for control group,is-0.69kg,-3.51%.Total gaining weight for control group is-3.36kg,total gaining weight rate is-19.83%.After supplement,gaining weight and gaining weight rate are 2.65kg,9.99%,8.03,23.24%,5.18kg,13.04%,8.73kg,17.42% in June,July,August and september respectively.But for control group,are 0.29kg,1.70%,3.74kg,17.92%,2.13kg,9.26% and 6.22kg,21.22% in June,July,August and september respectively.In Summer-Autumn pasfure,tofal gaining weight and gaining weight weight is 12.09kg and 41.88% respectively.