鱼种越冬期间,常因水质差、鱼体质弱,感染病害、管理不善等原因,造成鱼种大量死亡,严重影响来年渔业生产。为了保证来年鱼种的供应,必须加强越冬管理,防止鱼种越冬死亡,要求做好以下几项工作:1.选好越冬池越冬池应选择避风向阳、池底平坦、泥较少、无水草、不漏水、水深适宜、靠近水源且无污染的池塘.不合要求的池塘,要彻底清整,清除淤泥 Overwintering species, often due to poor water quality, fish body weak, infectious diseases, poor management and other reasons, resulting in a large number of fish deaths, seriously affecting the fishery production in the coming year. In order to ensure the supply of fish species in the coming year, it is necessary to strengthen winter management and prevent overwintering of fish species. It is required to do the following work: 1. Select the overwintering pool for winter wintering. , Watertight, suitable depth, close to the water and pollution-free ponds. Unreasonable ponds, to thoroughly clean, clear the mud