Immunization of Cultivable Fishes against Aeromonas Hydrophila Infection

Aeromonas hydrophila is one of the commonest causes of disease in cultivable fishes in India. Instances of entire population of major carps getting wiped out by epidemics of A hydrophila infection in many stocking ponds have been reported. Immunization as a preventive measure in fish culture is gaining popularity. The success of a vaccine depends on its antigenic composition and the protective nature of antibodies induced. Hemolysin has been suspected to be an important virulence factor in A. hydrophila. Therefore with the objective of evaluating hemolysin negative derivative strain as a candidate strain for developing a vaccine for A.hydrophila infection.