高产奶牛饲养管理策略
Modern Animal Husbandry(2009)
Abstract
<正>奶牛生产的适宜温度是8~16℃。炎热的夏季,当室外温度超过30℃以上时,就会导致奶牛采食量减少,体重下降,产奶量降低。因此,防暑降温是夏季奶牛饲养管理必须抓好的中心环节。同时还需要
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