入冬前,要进行鱼种并塘,即将同一规格的同一鱼种围养在条件较好的一个池塘里,为来年准备数量多、质量好的鱼种,进行科学越冬管理:(一)保鱼膘鱼种在越冬前都积累了一些营养物资,但满足不了漫长的冬季消耗,要加以补充。鲢、鳙鱼越冬池要保持一定的肥度。青、草鱼在不影响池水清爽的情况 Before winter, fish species should be planted and ponds are to be kept in the same pond with better conditions for the next year, and a large quantity of fish of good quality will be prepared for the coming year for scientific overwintering management Catfish species accumulate some nutrients before winter, but can not meet the long winter consumption, to be supplemented. Silver carp, bream overwintering pool to maintain a certain degree of fat. Green, grass carp does not affect the fresh water conditions