夏季减轻奶牛热应激的几项基本措施

Several Basic Measures of Releasing Heat Stress of Dairy Cattle in Summer

热应激对奶牛生产有着极其重大的影响,直接导致采食量减少,产奶量下降,繁殖性能降低,本文从生产实际出发,分别从夏季搭建凉棚,保证充足饮水,提高日粮中精料比值,包括精料中能量、蛋白水平和矿物质的补充,调整饲喂时间及方法,注意牛舍通风,搞好牛体及环境卫生等措施,减少奶牛的热应激。

Heat stress had great effect on the production of dairy cattle,which led to the reduction in feed intake,decreasing in milk yield and reproductivity.The paper described how to reduce the heat stress of dairy cattle by taking several measures,such as building pergola in summer,ensuring adequate drinking water,increasing the concentrate ratio in ration including supplement of energy,protein and mineral material,adjusting the feed time and way,noticing the ventilation in cowshed and sanitary of cattle body and environment,and so on.