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1·食盐溶液常用浓度2%~4%,即每100千克水溶入食盐2~4千克。在10~15℃水温时浸洗鱼体10~15分钟,可杀死鱼体上的车轮虫、斜管虫等,可预防鱼类细菌性疾病和某些寄生虫病。2·高锰酸钾溶液按50克水加1克高锰酸钾的比例配制。在20℃以下水温时,浸洗鱼体20~30分钟,可杀死三代虫、指
1 salt solution commonly used concentration of 2% to 4%, that is dissolved per 100 kg of water 2 to 4 kg. In the 10 ~ 15 ℃ water temperature immersion fish 10 to 15 minutes to kill fish on the car rodents, such as pipe worms, can prevent fish bacterial diseases and some parasitic diseases. 2 · potassium permanganate solution according to the proportion of 50 g of water plus 1 g of potassium permanganate formulated. When the water temperature below 20 ℃, dipping fish 20 to 30 minutes to kill three generations of insects, refers to