2016 Volume 51 Issue 1 Pages 32-35
Passive immunization was performed to determine whether serum antibodies were involved in protection for red sea bream iridoviral disease (RSIVD) in Pagrus major, Seriola quinqueradiata, S. lalandi, S. dumerili and Oplegnathus fasciatus. When fish were experimentally challenged, significantly lower mortality was noted in the fish received the convalescent serum than control fish, except for O. fasciatus. The administration of serum from fish immunized with a commercial vaccine, significantly suppressed mortality of the recipient, except for S. lalandi and O. fasciatus. The results suggest that serum antibodies play a primary role in the protection against RSIVD in red sea bream and the genus Seriola.