The production of seed viruses is optimized and screened using biotechnology to maintain their high immunogenicity, and the use of seed viruses is more standardized. Adopting continuous centrifugal separation process effectively reduces the content of impurities in the product.

1. Optimal selection of seed toxins: The production of seed toxins is optimized and screened using biotechnology to maintain their high immunogenicity, and the use of seed toxins is more standardized.

2. Pure and safe: Using continuous centrifugal separation technology, it effectively reduces the content of impurities in the product, reduces vaccine adverse reactions and stress.

3. Easy to use: Inject into the superficial muscles behind the ear. In areas with high incidence of paratyphoid fever in piglets, it can be administered once before and after weaning, with an interval of 21-28 days.

Usage and dosage:Recommended immunization program: 1 piglet; According to the label on the bottle, dilute with 20% aluminum hydroxide physiological saline to 1.0ml per head and inject into the superficial muscle behind the ear. Suitable for nursing or weaning healthy piglets over 1 month old.

Specification packaging:10 bottles/box