问:为什么鱼病常在夏秋两季流行? 答:因为大多数鱼类致病菌和寄生虫,对鱼类的危害程度,受养鱼水体温度的影响。水温低时,对鱼类危害小,反之则危害大。夏秋两季水温高,所以鱼病,特别是群众俗称鱼瘟的赤皮、肠炎、烂鳃草鱼三大病,在此时爆发流行。 Q: Why is fish epidemics prevalent in summer and autumn? A: Because most fish pathogens and parasites, the extent of harm to fish is affected by the temperature of the fish body. When the water temperature is low, it is less harmful to fish, otherwise it is more harmful. Summer and autumn, the two high temperatures, so the fish disease, especially the masses commonly known as Ikebukuro red duck, enteritis, rotten gills grass carp three major outbreaks at this time.