The better the estrus, the sooner the sow is weaned. In order to promote the estrus and multiple ovulation of sows as soon as possible after weaning, sows are required to be weaned: 1. Continue to feed lactation feed. 2. Allow the sow to fully feed (do not drastically reduce the amount of feed) until breeding. Immediately after mating, the amount of feed is reduced to the amount of feed in the pre-pregnancy period and fed to the pregnant sow feed. Early feeding during pregnancy can reduce the number of litters and waste of feed.
Key measures for feeding pregnant sows: 1. Limiting the amount of feed during early pregnancy, about 2 kg of full-rate feed daily. 2. In the middle of pregnancy, increase the amount of feed properly by 2.2 kg to 2.3 kg per day. 3. In the last 30 days of pregnancy, increase the amount of feed, about 3 kg per day.
Pregnant sows must limit the amount of feed. The feeding method requires two times a day and is fed with a wet material. Feeds for pregnant sows require lower protein content but require higher vitamins, minerals and cellulose. At the same time do not feed pregnant sows moldy, deteriorating feed. In places where conditions permit, feeding 1 kg to 2 kg of green feed per day is very beneficial to pregnant sows.
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