随着鳙鱼在市场上逐步受欢迎,我县大部分池塘由套养鳙鱼转为主养鳙鱼,鳙鱼产量由套养时的每公顷几百公斤,发展到现在主养时的每公顷数千公斤。由于鳙鱼养殖密度的增加,鳙鱼溶血性腹水病的发病率也逐年提高,死亡量连年上升,给养殖户造成了较大的经济损失。一、症状鳙鱼溶血性腹 As catfish became more popular in the market, most of the ponds in our county were raised from catfish to catfish and the catfish production increased from several hundred kilograms per hectare at the time of catching up to Hectares thousands of kilograms. As the mullet density increased, the incidence of mullet hemolysis ascites also increased year by year, the amount of deaths increased year by year, causing greater economic losses to farmers. First, the symptoms of catfish hemolytic belly