饲喂添加酶制剂的玉米青贮、稻草日粮对奶牛生产性能和经济效益的影响  

Effect of Supplementing Enzymes in Diets with Corn Silage and Rice Straw on the Production Perfomance in Cows

作　　者：江明生[1] 唐一波[1] 吴胜钦 

机构地区：[1]广西大学动物科技学院,南宁530005 [2]南宁童乐乳业有限公司,南宁530001

出　　处：《中国奶牛》2012年第21期49-50,共2页China Dairy Cattle

基　　金：南宁市科学研究与技术开发项目资助(201102093G)

摘　　要：将20头荷期坦牛随机分为2组,每组10头,试验组在精料中添加2kg/t复合酶和200g/t木聚糖酶,对照组不添加,两组粗料均为玉米青贮和稻草。结果显示,试验组对提高奶牛采食量和产奶量有一定效果,每千克奶饲料费比对照组减少0.3元。A total of twenty Holstein cows were randomly divided into two groups of ten animals each, the experiment group was added 2kg/t enzyme and 200g/t xylanase in the diet, control group was not added, each cow fed the same corn silage and rice straw. The results showed that the experiment group had not significant differences in feed intake and milk production compared with the control group,but feed costs for one-kilogram milk of the experiment group decreased by 0.3 Yuan.

关 键 词：奶牛 日粮 复合酶 木聚糖酶 

分 类 号：S823.4[农业科学—畜牧学]