打印病又称腐皮病,是由细菌引起的一种皮肤病,病鱼肛门附近两侧,初期皮肤发炎,出现红斑,有时似脓胞状,摸之有浮肿感觉;随着病情的发展,鳞片脱落,肌肉腐烂,直至烂穿,露出骨骼和内脏。病灶呈圆形或椭圆形,周缘充血发红,状似打了一个红色印记。打印病主要危害对象是二龄以上鲢、鳙鱼种及成鱼,患病鱼身体瘦弱,游泳缓慢,不合群,常出现浅水处,严重发病时陆续死亡。此病,生产单位以前大多用 Print disease, also known as rot disease, is a skin disease caused by bacteria, sick fish on both sides of the anus, the initial skin inflammation, erythema, sometimes like pus cells, feeling of edema; as the disease progresses, scales Peeled off, muscle rot, until rotten wear, exposing bones and internal organs. The lesion was round or oval, peripheral redness, like playing a red mark. Print the main target of harm is more than two silver carp, bighead carp and adult fish, diseased fish body emaciated, swimming slowly, not gregarious, often appear shallow water, one after another serious death. The disease, most of the previous use of production units