Porcine immunization program

The farm should always implement the principle that prevention is more important than cure and establish a strict epidemic prevention system. In order to ensure the good benefit of raising pigs, on the basis of regular disinfection of pig farms and pens, the following immunization procedures must be done well:

I. immunity of back-up pigs

The reserve pigs should be vaccinated as follows: 1. One month before mating, the sows should be vaccinated after weaning. Classical swine fever vaccine, 4 doses per head; 2. The combined vaccine of porcine erysipelas and porcine pneumonitis, 1 dose for each head; 3. Porcine Japanese encephalitis vaccine, 1 dose per head; 4. Porcine parvovirus vaccine, 1 dose per head (inactivated vaccine can be vaccinated twice, 15 days apart); 5. Porcine pseudorabies vaccine shall be used according to the instructions.

2. Immunity of parturient sows

Parturient sows should be vaccinated with the following vaccines 15-40 days before delivery: 1. Piglet Escherichia coli quadruple vaccine (K88, K99987P, P41); 2. Porcine atrophic rhinitis vaccine, 2 ml each 35 and 15 days before delivery; 3. Streptococcus suis vaccine, 1 dose each 30 and 15 days before delivery; 4. Anaerobic vaccine, 3 ml each 30 and 15 days before delivery, 5 porcine pseudorabies vaccine, 2 ml each 40 days before delivery, 6. The combined vaccine of porcine transmissible gastroenteritis and epidemic diarrhea (which can be vaccinated at the end of September every year, the end of March next year, or the whole year) can be used according to the instructions.

III. Immunity of lactating pigs

1. Swine fever vaccine, pre-milk immunization, 2 doses per head, breast feeding 1 hour later; double dose immunization, 4 doses per head, 20 days old; 2. The combined vaccine of porcine erysipelas and porcine lung disease, one for each head, was carried out 2 ~ 3 days before weaning. Piglet paratyphoid vaccine, 1 dose per head, 2 ~ 3 days before weaning; 4. Porcine pseudorabies vaccine, 2 ml per head, 28 days old; 5. Porcine atrophic rhinitis vaccine, 5 ~ 7 days old, 30 ~ 35 days old, each 2 ml; 6. The combined vaccine of porcine transmissible gastroenteritis and epidemic diarrhea was injected intramuscularly from 5 to 10 days before weaning, 2 ml per head.

IV. Immunity of bred pigs

1 Classical swine fever vaccine, 65 ~ 70 days old, 4 doses per head; 2. The combined vaccine of porcine erysipelas and porcine pneumonitis, 1 dose for each head; 3. Piglet paratyphoid vaccine, 1 dose per head; 4. Streptococcus suis vaccine, 1 dose per head; 5. Porcine pseudorabies vaccine, 2 ml per head.