1. Strengthen regular sanitation and disinfection work: The feeding and management of pigs should be improved, and regular sanitation and disinfection work should be carried out.
2. Adhere to the principle of self-breeding and self-raising, and strictly enforce the introduction and quarantine system: Pig farms should adhere to the principle of self-breeding and self-raising, and try not to purchase pigs from other places. When a small number of breeding pigs must be introduced, they should first conduct an epidemic investigation in the production area, and they must not purchase pigs from other places. Purchase pigs from epidemic areas. The purchased pigs must be quarantined for at least one month, strictly inspected, and confirmed to be disease-free before they can be gregarious.
3. Pig farms should formulate reasonable vaccination procedures based on the local epidemic situation and strictly implement them. Registration should be done when injecting for easy inquiry.
4. Adhere to the health inspection system: professional veterinarians should frequently conduct health inspections on the pigs, and the breeders should pay attention to observe the changes in the pigs every day.