暴发性鱼病是一种急性传染性鱼病,它危害鱼的种类最多、危害鱼的年龄范围最大(从夏花鱼种至食用鱼)、流行地区最广、流行季节最长、危害养鱼水域类别最多,发病率和死亡率很高。该种鱼病的流行时间是2月底至11月,发病高峰期是5月至9月。下面将该种疾病的特征及预防方法介绍如下: Outbreaks of fish disease is an acute infectious fish disease that endangers fish most, endangers fish to the widest range of age (from summer flowers to edible fish), is the most endemic, has the longest epidemic and is detrimental to fish Most waters have the highest morbidity and mortality. The prevalence of the fish disease is from the end of February to November, the peak incidence is from May to September. The following characteristics of the disease and prevention methods are described below: