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夏季是鱼类生长旺季,也是鱼病流行季节,定期对鱼塘施用药物,可杀灭鱼体表、鳃部及水体中的病原体,防治鱼病效果显著。但是施药方法不当,不但起不到防治鱼病的作用,还会适得其反,加重鱼病,甚至造成严重的死亡,因此要注意高温季节鱼塘施药问题。一、注意对症下药。一般对濒于死亡
Summer is the season of fish growth, but also the season of fish disease epidemic, the regular application of drugs to fish ponds can kill fish body surface, gills and pathogens in the water body, prevention and treatment of fish disease significantly. However, improper pesticide application methods not only fail to prevent and cure fish diseases, but also counterproductive diseases, aggravate fish diseases and even cause serious deaths. Therefore, we should pay attention to the problem of pesticide application in ponds in hot season. First, pay attention to the right medicine. General is on the verge of death