池鱼药害是有毒污水进入鱼池,或是鱼类误食有毒食物使鱼类中毒而死亡。泛塘是因池水中溶氧量降低到不能满足鱼类最低需氧量时,造成鱼类窒息而死。两者的区别方法如下。 一看发生时间 池鱼发生药害,多与农田施药、鱼池施肥和工厂排污有关。在作物生长季节,病虫害流行 Fish poisoning is poisonous sewage into the fish pond, or fish poisoning food poisoning and death of fish. Pan Tong is due to the dissolved oxygen in the pool to reduce the fish can not meet the minimum oxygen demand, resulting in suffocation and death of fish. The difference between the two methods is as follows. A look at the occurrence of pond fish phytotoxicity occurred, and more pesticide application of farmland, fish ponds fertilizers and sewage plants. Pests and diseases are prevalent in the growing season