How to deal with the high temperature stress of pregnant sows?

First, control the ambient temperature, keep the top of the pigsty warm, build a sunshade net, plant green plants and reduce the ambient temperature. When the temperature is too high, sprinkle water on the roof or in the house to cool down, strengthen indoor ventilation and enhance the heat dissipation of the pig body surface; You can also use cold water spray or wet curtain to cool down, but pay attention to ventilation, otherwise high temperature and high humidity will cause the epidemic of diseases; Second, nutrition control, to improve the nutritional level, to meet the nutritional needs of energy, protein, minerals, vitamins and trace elements, feed more green and juicy feed and less coarse feed containing more crude fiber. Adding synthetic amino acids, fats, vitamins, electrolytes and Chinese herbal medicine additives to the diet is beneficial to relieve heat stress; The third is to adjust feeding management, including supplying enough drinking water, reducing feeding density, changing feeding time and feeding methods, minimizing noise, keeping the environment quiet, doing health and epidemic prevention, and preventing mosquitoes and flies from biting.

(Wang Jinyong)