青贮甜高粱与玉米秸秆饲喂肉牛效果研究

目的]饲喂青贮甜高粱与玉米秸秆对肉牛增重的效果研究,选择11月龄、体重280Kg 的西门塔尔公牛20头进行饲喂效果对比试验。结果]显示：对照组、试验组平均每头日增重为0.98 kg、1.45 kg。试验组比对照组平均日多增重0.47 kg,提高47.96%；净收益每头每天比对照组多9.78元。结论]表明：青贮甜高粱饲喂育肥肉牛增重效果明显,经济效益较好。

Study on the Effect of Feeding Beef Cattle by Sweet Sorghum Silage and Cornstalks

Objective]To study on weight increase in beef cattle by feeding sweet sorghum silage and cornstalks.Method]This study choose a total of 20 bulls in Simmental bulls as the experimental animals which were 1 1 months old （280 kg）,which would be used the contrast test on the effect of feeding.Re-sult]The results showed that the average daily gain of control group was 0.98 kg per cattle,but the aver-age daily gain of the experimental group was 1.45 kg per cattle.Experimental group had more 0.47 kg weight than that of control group in average daily gain （increasing by 47.96%）;Moreover,the daily prof-its of experimental group were more 9.78 yuan than those of control group in each cattle.Conclusion]These resutls showed that feeding by Sweet Sorghum Silage let fatten cattle gain weight distinctly,and had a better economic benefit.