全株玉米青贮饲料饲喂肉牛增重效果试验

翟秦虹

（青海省民和县农牧局草原站，青海，民和，810800）

摘要:试验选择16~18月龄，体重相近的西门塔尔杂种黄牛20头，随机分成两组，每组10头，饲喂全株玉米青贮料和去除果穗的玉米秸秆青贮料进行对比分析。全株玉米青贮组头均日增重为1.41kg，比去除果穗的玉米秸秆青贮组的头均日增重1.06kg， 提高0.35kg ，差异显著(P＜0.05)。试验期全株玉米青贮组头均纯收益比去除果穗的玉米秸秆青贮组提高360元，差异显著(P＜0.05)。

关键词：全株玉米青贮；肉牛育肥；日增重；饲喂试验

中图分类号：S816?3    文献标识码：A   文章编号：1003-7950（2017）02-0035-02

Experiment on gaining effect of corn silage feeding cattle 

ZHAI Qin-hong

(Grassland Station of Minhe Agriculture and Husbandry Bureau, Minhe, 810800)

Abstract: 20 hybrid cattle aged between16 and 18 month were selected and randomly divided into two groups, each group contain 10 cattle, whole plant corn silage and corn straw silage of removing the ear were fed for comparing and analyzing. Average daily gaining increased 1.41 kg for each cattle by feeding whole plant corn silage, while average daily gaining increased 1.06 kg by feeding corn straw silage of removing the ear, 0.35 kg more than by feeding corn straw silage of removing the ear. There is the significantly difference (P < 0.05) between them. Net benefits of 360 Yuan for each cattle increased. The difference is significant (P < 0.05).

Keywords: Whole plant corn silage; Beef cattle fattening. Daily gain; Feeding trials