摘要
[目的]相同饲养条件下,比较奶牛公犊与秦川牛公犊增重效果。[方法]将20头荷斯坦公犊牛与20头秦川牛公犊分为试验组和对照组,进行饲养试验,日粮组成和饲喂方法相同,青贮饲料和干草自由采食。[结果]奶牛公犊比秦川牛公犊生长速度快,饲料报酬高,奶牛公牛的初生重、6月龄平均体重、12月龄平均体重、18月龄平均体重、24月龄平均体重比秦川牛公牛高。[结论]饲养奶牛公犊比饲养秦川牛公犊的经济效益更好。
[Objective]TO compare the weight gain effect of bull calves of dairy cow and Qinchuan cat tle under the same feeding conditions. [Method] 20 Holstein bull calves and 20 Qinchuan calves were divid ed into the experimental group and the control group with the same diet compositio and free choice silage and hay for the feedin calves, and the feed conversion was higher. month and 24-month average weight of dair calves. [Conclusion]Feeding dairy bull calves tle bull calves. g trial. [Result]Dairy bull calves grew The born weight, average weight, six n and feeding method faster than Qinchuan month, 12-month, 18- y bull calves were higher than that of Qinchuan cattle bull could get better economic benefits than feeding Qinchuan cattie bull calves.
出处
《中国牛业科学》
2013年第4期36-39,共4页
China Cattle Science
基金
XNY2013-8
2012BAD12B07
国家星火计划项目2011GAB50001
陕西省农业攻关项目"绿色无公害肉牛专用系列全混合饲料研制与推广"资助2013K01-63-02
关键词
奶牛
秦川牛
公犊
dairy cattle Qinchuan cattle bull calves