Abstract:

Absract: According to high temperature and humid climate conditions in south of China and biological characteristics of Chinese Holstein cows, a integrated control technical system to release heat-stress dairy cows in high temperature and humid districts was set up, which include new type practical heatstroke prevention free stall cow house, new type practical free stall cow farm microclimate environment auto-control system, heat stress nutritional alleviator for dairy cow and to breed new heat-resisting strain of cow breed.