Main diseases of Siberian sturgeon in breeding

Abstract

The siberian sturgeon, Acipenser baeri, is used as a model for restoring the european species Acipenser sturio which is nowadays under threat. This paper describes the various diseases of A. baeri in aquaculture. This study does not show any specific pathogenic agent. Causes of some pathological conditions are not clearly identified. Furthermore, two bacteria proved to be the most virulent, Flexibacter columnaris and especially Yersinia ruckeri. Prevention methods will have to be developped.