溃烂病是尼罗罗非鱼鱼种和亲鱼在越冬期间容易发生,危害严重,较难预防和治疗,常导致鱼大量死亡的一种恶性病。导致罗非鱼患发此病的是一种名叫嗜水气单孢菌的病菌。此种病菌侵入鱼的躯干部、头部、鳍等处后。侵入部位发炎充血,发生溃 Fester disease is a kind of malignant disease of Nile tilapia species and broodstock, which are easy to occur during overwintering. They are very harmful and difficult to prevent and cure. They often lead to a large number of fish dead. The disease that causes the disease of tilapia is a bacterium called Aeromonas hydrophila. Such bacteria invade the body of the fish, head, fin and other places. Invaded the site inflamed hyperemia, collapse occurred