夏季,有时气温高达37～38 C,按照常规方法防治鱼病、其效果不明显,甚至会引起大批鱼死亡。所以,夏季防治鱼病应注意: 1.鱼塘平均水深不到80厘米,水温在30 C以上。鱼药不可全池泼洒,否则会引起死鱼。因为温度每上升1C,药物反应速效加快1倍:每上升10C,其毒性会增加2——3倍。 In summer, sometimes the temperature is as high as 37-38 C, preventing and curing the fish disease according to the conventional method has no obvious effect and may even cause the death of a large number of fish. Therefore, the prevention and treatment of fish diseases in summer should pay attention to: 1. The average depth of fish ponds less than 80 cm, the water temperature at 30 C or more. Fish drugs can not be spilled, otherwise it will cause dead fish. As the temperature rises 1C, the drug response speed up 1 times faster: every 10C rise, its toxicity will increase 2--3 times.