Abstract:In order to evaluate the immune effects of different porcine circovirus type 2（PCV2） vaccines on pigs during growth and finishing stage, a total of 360 piglets weaned and 23 days of age were randomly divided into groups A, B and C with 120 pigs in each group. Group A was immunized with domestic PCV2a whole virus inactivated vaccine (WH strain) with SEPPIC adjuvant, group B was immunized with imported water adjuvant subunit vaccine (PCV2a Cap protein), and group C was not treated with any treatment. The results showed that compared with the domestic PCV2 vaccine, the imported vaccine showed strong advantages in terms of growth performance, antibody levels and immune protection period, etc., with significant economic benefits.
