1. Pregnant sows are 20-30 days before delivery. Each pig was injected with 4 ml of inactivated porcine infectious gastroenteritis and porcine epidemic diarrhea in the Houhai point. The newborn piglets were passively immunized with colostrum to prevent viral diarrhea.
2. Pregnant sows were injected intramuscularly once every 40 days and 15 days before birth, and the three-valent inactivated vaccine of piglets E. coli K88, K99, 987P, 5 ml per head, newborn piglets were passively immunized by eating colostrum. It can prevent yellow and white piglets.
3. 6-7 weeks before the delivery of the sow, 2 ml (1 part) of the diarrhea mixed vaccine of CR piglets per head, 3-4 weeks after the first exemption, 2 ml per muscle (1 serving) It can prevent diarrhea caused by Escherichia coli, Clostridium perfringens type C and its toxins and rotavirus.
4. Piglet paratyphoid live vaccine, according to the first part of the bottle label, diluted with cold water into 5-10 ml per head, for weaned piglets, and then boosted once every 50 days, can prevent piglets Salmonellosis.
5. Live porcine transmissible gastroenteritis and rotavirus disease live vaccine: 1 ml of intramuscular injection 5 weeks before and 1 week of sow, the immunization period is 4 months; 7 days before weaning, each intramuscular injection 2 ml, half an immunization period.
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