冬季是渔业的农闲时节,因为大部分水产养殖的商品鱼类都已捕捞上市,越冬的水产品较少,渔民朋友们很容易放松对水产养殖的日常管理和鱼病防治工作。其实,冬季也是鱼病发病率较高的季节,如果不加强防范,就会给渔业生产造成很大的经济损失,并会影响来年水产养殖的正常进行。因此, Winter is a slack season for fisheries, as most of the aquaculture commodity fish are caught on the market and wintering aquatic products are few, fishermen and friends can easily relax their day-to-day management of aquaculture and prevent fish diseases. In fact, winter is also a season with a high incidence of fish diseases. If we do not strengthen prevention, it will cause great economic losses to fishery production and will affect the normal aquaculture in the coming year. therefore,