(1) Pigs should maintain a moderate degree of sensation and should not be too fat or too thin, ie the keel and pelvis are not exposed, but the hand can be touched. Sows after pregnancy are reared in low levels for the first 80 days and raised in the next 30 days.
(2) Injecting vaccines such as parvovirus about 18 days before breeding
(3) Before 10-15 days of mating, the sow continuously takes penicillin, that is, 20 milligrams of penicillin is added to 100 kg of feed.
(4) 2 minutes before the breeding, injection of 20 international units of Cui production factors can increase the litter size by 5-10%, and increase the number of litters by 1. 2-2.0 heads per litter.
(5) 200 mg VE was added to the pregnant sow feed and fed to 21 days of gestation.
(6) Add lgVC one day before delivery to increase the survival rate of piglets.
(7) 3 weeks of gestation, short-term excellent feeding, feeding 2. 5-3.2 kg on high-level feed daily.
(8) 200 mg VE was added to the pregnant sow feed and fed to 21 days of gestation.
(9) Three days after weaning of piglets, sows were fed with 200 mg VE and 4009 carotene, and the sows were halved with this additive. By 21 days of pregnancy, the number of born sows in the nursery was increased by 21. g%. 40ml of copper sulfite in the first three weeks before birth to reduce the mortality rate of newborn piglets, 2ml of chloroprenylvinyl alcohol injected 2 days after childbirth, promoting lactation, and using ethylene female when the sow is milkless
(10) Injecting vinyl chloride alcohol around 10:00 am on the day before the sow on the day of her sow to ensure that her baby is born during the day.
Note: The sow clothes should not be allowed to be eaten by the sows, otherwise the sows will eat the piglets, wash the placenta with clean water, and then feed the sows after cooking.
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