海水网箱养殖鲈鱼皮肤溃疡病近几年已成为主要的病害。该病主要发生在高温期,一般7月份开始,延续到10月份,8～9月份为高峰期。发病迅速,范围大,感染率高,死亡率一般为20％～60％,高时可达80％。鱼种阶段最易发病,死亡率亦最高。一个高峰期过后,在短时期内又会形成第二个高峰期,养殖者应引起高度重视。 Seawater cage culture Sea bass Skin ulcer disease has become a major disease in recent years. The disease occurs mainly in high temperature, usually in July, extending to October, August to September as the peak. Rapid onset, wide range, high infection rate, the mortality rate is generally 20% to 60%, high up to 80%. Fish species most vulnerable to disease, the highest mortality rate. After a peak period, a second peak will be formed in a short period of time, and farmers should pay close attention to it.