淡水鱼类暴发性流行病是到目前为止我国养鱼史上危害鱼的种类最多、年龄范围最大、流行地区最广、流行季节最长、造成的损失最大的一种急性传染病,此病在各地有不同的名称,如腹水病、出血性腹水病、暴发性出血病等。进入高温季节后,此病的发生率更高,危害更大,广大水产养殖者须 The outbreak of freshwater fish epidemic is by far the history of fish farming in China the largest number of fish, the widest range of age, the most popular areas, the longest epidemic season, the largest loss of an acute infectious disease, the disease in various places There are different names, such as ascites disease, hemorrhagic ascites disease, fulminant hemorrhagic disease and so on. After entering the hot season, the incidence of the disease is even higher and more harmful. The majority of aquaculturists should