入冬前,将同一规格的同一鱼种并养在条件较好的一个池塘里,进行科学越冬管理,为来年准备数量多、质量好的鱼种。 1.保鱼膘 鱼种在越冬前都积累了一些营养物质,但还满足不了漫长的冬季消耗,因此在越冬期需补充营养。鲢、鳙鱼越冬池要保持一定的肥度。青、草鱼在 Before winter, the same species of the same size and kept in a better pond, the scientific management of winter, for the coming year to prepare a large number of good quality fish species. 1. Fish stocks have accumulated some nutrients before winter, but they still can not meet the long winter consumption, so they need to be supplemented during the winter. Silver carp, bream overwintering pool to maintain a certain degree of fat. Green, grass carp in