防治鱼病的方针是“预防为主,积极治疗”。若在鱼种放养前对鱼体进行药浴,就可有效预防疾病。一、常用消毒药物1.高锰酸钾药液用浓度为10～20ppm 的高锰酸钾溶液药浴10～30分钟。可杀灭鱼体表及鳃上的细菌、原虫和单殖吸虫等,但不能杀死形成胞囊的孢子虫。药液宜现配现用,且药液用水应选用含有机质较少的清水,背光进行药浴。2.漂白粉药液含有效氯30%、浓度为10～20ppm 漂 Prevention and treatment of fish disease is the principle of “prevention, active treatment.” If the fish species before the stocking medicated bath, you can effectively prevent the disease. First, the commonly used disinfectant drugs 1 potassium permanganate solution concentration of 10 ~ 20ppm potassium permanganate solution bath 10 to 30 minutes. Can kill the surface of fish and gills on the bacteria, protozoan and monotoners, etc., but can not kill cyst-forming sporozoites. The solution should be now with the current use, and liquid water should use less organic matter containing water, the backlight for medicated bath. 2. Bleach liquid containing 30% available chlorine, the concentration of 10 ~ 20ppm drift