In summer, the temperature is high and the humidity is high. Especially in the rainy season, if the humidity of the pig house is not well controlled, the hygiene of the pig house will have a great impact on the growth and pregnancy of the pig.

It is especially important to manage ventilation in pig houses. Maintaining good ventilation can reduce the spread of disease. As far as possible, the family farm should open all doors and windows and ventilation holes, and use electric fans, fans, etc. to enhance the air flow inside the house. Especially for lactating sows, gilts nonpregnant and pregnant sows ventilation management, ensure that at least 14.2m ³ / min / head, 4.2 m ³ / min / head and 8.5 m ³ / min, ventilation sows.

Appropriate watering can better combine ventilation to cool down. The spray cooling is suitable for breeding pregnant houses, growing fattening houses and boar houses. It is sprayed for 1 to 2 minutes every 15 to 20 minutes, and the spray volume is 0.8 L/ hour per pig . The drip cooling is suitable for the high-level delivery room of the limit column and the sulcus . The suckling sow is cooled by the neck drip . The drip is dripped every 15 to 20 minutes for 0.5 to 1minute, and the dripping amount is l.9 - 3.8L . Rinse shower to cool homes for large pig, breeding boar testes pregnancy homes and local cooling can shower every day 2 times. Avoid using cold water to spray the head suddenly . It is forbidden to shower the boars within 1 hour.