Vaccine for preventing red head disease of Pseudobagrus fulvidraco

Abstract

The invention provides application of Edwardsiella ictaluri to the preparation of fish vaccines and a fish vaccine. The fish vaccine comprises effective dose of immunogenic inactivated Edwardsiella ictaluri and pharmaceutically acceptable auxiliary materials or carriers. The vaccine or combined vaccine of the invention can pertinently prevent and treat red head disease of Pseudobagrus fulvidraco with good effect and is a low-cost and environmental-friendly prevention method.

Description

technical field

[0001] The invention relates to a fish vaccine, in particular to a vaccine for preventing yellow catfish red head disease. Background technique

[0002] Yellow catfish (Pelteobagrus fulvidraco), commonly known as yellow curd, belongs to the genus Pelteobagrus of the family Bagridae of the order Siluriformes. It has the characteristics of tender meat, delicious taste, no intermuscular spines, rich nutrition, low fat and high protein, and is very popular among consumers. Therefore, the cultivation of yellow catfish has developed rapidly throughout the country. increase yearly. However, in recent years, a kind of "red head disease" characterized by hyperemia, bleeding, redness, and even rupture of the head skin and the formation of open ulcers has occurred in various yellow catfish breeding areas. It is highly contagious and has the characteristics of high mortality. . At present, the etiology of the disease is unclear. Some farmers think it is a parasitic di...

Images