Heat stress is less harmful to sows than to infections. Fatty layers of sows are relatively thick, especially the physiological characteristics of pigs. Pigs are cold and pigs are afraid of heat. Swine sweat glands are undeveloped, only in the toe and nose. Once the outside temperature rises, heat dissipation is a very important task for raising sows. Once heat stress, sows can cause miscarriage, stillbirth, and acute death, which can cause serious losses to the pig farm. How to avoid the loss caused by heat stress?
1. As far as possible, the sow house should be fully enclosed, install exhaust fans and water curtain cooling facilities.
2. If there is no curtain and fan, install the fan on the top. Wash the pigsty with cold water. 2 times a day.
3. Add sodium bicarbonate to the feed to adjust the buffer of the alkali in the blood. This reduces stress.
4. Observe the pigs at any time and find that the sows are gasping for the pigs. Take cooling measures immediately to prevent any accidents.
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