浙江地区热应激对奶牛的危害及其防控措施

The Harm Effects of Heat Stress on Dairy Cows in Zhejiang Province and Its Solving Measures

浙江地区夏季高温高湿,奶牛极易发生热应激反应。热应激时,奶牛采食量降低、产奶量下降、乳品质降低、繁殖性能下降,给奶牛业夏季生产造成巨大的经济损失。本文结合现有文献,分析了热应激对奶牛造成的危害,提出了缓解奶牛热应激的思路及措施。旨在探索解决奶牛热应激的技术和方法,为减少夏季奶业损失提供科学依据。

Dairy cows are prone to heat stress response under the condition of high temperature and high humidity in summer in Zhejiang area.The damage of heat stress on dairy cows mainly includes decreasing of feed intake,milk yield,milk quality and reproductive performance.Heat stress causes huge economic losses to dairy production in summer.In this paper,the harm effects caused by heat stress on dairy cows were analyzes.This paper puts forward some ideas and measures to alleviate the heat stress of dairy cows.The purpose of this study is to explore the technology and method to solve the heat stress of dairy cows,and to provide scientific basis for reducing the loss of dairy industry in summer.