Different types of pigs have different immunity.
Immunity of backup pigs. The reserve pigs should be vaccinated with the following vaccine one month before breeding and after weaning sows: ⑴ classical swine fever vaccine, 4 doses each. ⑵ combined vaccine of porcine erysipelas and porcine pneumoconiosis, 1 copy per head. ⑶ porcine Japanese encephalitis vaccine, 1 dose per head. ⑷ porcine parvovirus vaccine, 1 dose each (inactivated vaccine can be vaccinated twice at an interval of 15 days). ⑸ porcine pseudorabies vaccine should be used according to the instructions.
Immunity of parturient pigs. Parturient sows should be vaccinated with the following vaccines at 15-40 days before delivery: ⑴ piglet Escherichia coli quadruple vaccine (K88, K99, 987p, F41). ⑵ porcine atrophic rhinitis vaccine was given 2 ml each 35 days and 15 days before delivery. ⑶ Streptococcus suis vaccine, 1 dose each 30 days and 15 days before delivery. ⑷ anaerobic vaccine, 3 ml each 30 and 15 days before parturition. ⑸ porcine pseudorabies vaccine, 2 ml per head 40 days before delivery. ⑹ pig transmissible gastroenteritis and epidemic diarrhea vaccine (can be vaccinated at the end of September every year, end at the end of March next year, or for the whole year), use according to the instructions.
Immunity of lactating pigs. Suckling pigs were vaccinated with the following vaccine: ⑴ classical swine fever vaccine, pre-milk immunization, 2 portions of each head, breast-fed 1 hour later. Double dose immunization, 4 doses per head, 20 days old. ⑵ swine erysipelas and porcine pneumoconiosis combined vaccine, 1 dose per head, 2-3 days before weaning. ⑶ piglet paratyphoid vaccine, 1 dose per pig, 2-3 days before weaning. ⑷ porcine pseudorabies vaccine was given at the age of 28 days. ⑸ porcine atrophic rhinitis vaccine was given once at the age of 5-7 days and 30-35 days, 2 ml per head. ⑹ pig transmissible gastroenteritis and epidemic diarrhea vaccine was injected intramuscularly 5-10 days before weaning, 2 ml per head.
Immunity of breeding pigs. Bred pigs were vaccinated with the following vaccine: ⑴ classical swine fever vaccine, 65-70 days old, 4 doses per head. ⑵ combined vaccine of porcine erysipelas and porcine pneumoconiosis, 1 copy per head. ⑶ piglet paratyphoid vaccine, 1 dose per pig. ⑷ Streptococcus suis vaccine, 1 dose per head. ⑸ porcine pseudorabies vaccine, 2 ml per head.
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Scientific preparation of feed for lactating sows
The task of sows is very heavy. In particular, lactating sows should not only provide their own nutrition, but also provide breast milk for the survival, growth and development of newborn piglets. However, the living and production environment of lactating sows in high temperature season is more disadvantageous, and high heat stress is a severe challenge for parturient sows. Therefore, how to scientifically allocate the summer diet of lactating sows and strengthen feeding management should be the problems that pig producers must actively consider and focus on solving. Optimize the configuration and improve the energy level
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Chicken stomach erosion
The disease is mostly caused by feeding inferior fish meal. [Main symptoms] Sick chickens are stunted, their combs are pale, their appetite is reduced, they are dehydrated, their feathers are unkempt, and they are lethargic. Sick chickens occasionally see dark black liquid flowing out of their mouths. Necropsy was characterized by erosion, ulceration and hemorrhage of the musculogastric mucosa. It mainly occurs in chicks of 3 to 6 weeks old and is sporadic, with mortality sometimes as high as 20%. The amount of fish meal should be controlled or not inferior fish meal. Drinking water with 0.1% potassium permanganate at the beginning after onset. Vitamin K(5) can be added to feed
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