How do pigs cool down in summer?

The optimum growth temperature for pigs is 18℃ ~ 25℃. However, due to the high temperature in summer, small temperature difference between day and night and high humidity, the sweat glands of pigs are underdeveloped, and they are particularly afraid of heat, so the high temperature and high humidity climate in summer will have a great impact on pig production, so the harm of high temperature to pig production should be fully considered in the process of raising pigs. Take some measures to relieve the pressure on pigs. Suitable materials should be selected for the external wall and roof structure to ensure the ideal thermal insulation effect. Make the roof and sunshine wall of the pigsty into a light-colored flat outer wall.

Use white foam board (more than 5 cm thick) to keep the pigsty roof warm. For pig farms with fixed posts, such as positioning posts and piglets, a faucet or water dispenser should be used above the pig's neck to make the water just drip on the pig's neck, and the water flow speed should be adjusted according to the cold and hot weather to achieve the cooling effect. Generally speaking, the dropping speed is 30 ~ 60 drops/minute. For pigsty with dense pigs, spraying water to cool down and washing the surface of pigs with water can effectively alleviate the thermal stress of pigs. According to the hot weather, spray water 2 ~ 3 times a day to reduce the temperature in the pigsty by maintaining humidity.

The impulse should not be too strong, so as not to hurt the pig. Don't aim at the pig head, aim at the back. If it is limited, you can also drop water to cool down and slowly drop it on the pig's neck, which can greatly alleviate the fever of the pig and improve the feed intake. The feed intake of pigs decreased at high temperature. Therefore, it is necessary to increase the nutritional concentration of feed, increase the oil content and add some additives to resist thermal stress. 3 kg of baking soda, 200 g of vitamin E and 200 g of vitamin C should be added to each ton of feed.

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