热应激对奶牛机体的影响及防控措施

随着全球气候变暖,以及奶牛产奶性能的提高,热应激成了影响我国奶牛生产的一大难题,尤其在南方高温高湿的夏季,奶牛极易发生热应激。本文就热应激对奶牛产奶量、乳品质和繁殖性能的影响等方面进行了综述,并提出了一些预防奶牛热应激的措施,以期指导生产实践,提高奶牛养殖的经济效益。

The effect of heat stress on the body of dairy cattle and the prevention and control measures

With the global warming and the improvement of milk production performance of dairy cows, heat stress has become a major problem affecting the production of dairy cows in China, especially in the summer of high temperature and humidity in South China, dairy cows are prone to heat stress. In this paper, the effects of heat stress on milk yield, milk quality and reproductive performance of dairy cows were reviewed, and some measures to prevent heat stress were put forward in order to guide production practice and improve the economic benefits of dairy cattle breeding.