鱼类杂交,近几年来在鲤鱼品种间杂交方面,有关科研部门和生产单位做了大量的工作。如丰鲤、岳鲤等杂交鱼已在生产上被广泛推广,取得了很好的效益,为鱼类杂交优势利用开辟了广阔的前景。目前山鲢、塘养鱼,都以草鱼为主,搭配放养鳙和其它鱼,草鱼成活率的高低,对于鱼产量的丰欠起着举足轻重的作用。众所周知 In recent years, there has been a great deal of work on scientific research departments and production units in the crossbreeding among common carp varieties. Such as abundance of carp, Yue Lei and other hybrid fish has been widely promoted in production, and achieved good results, for the advantages of hybridization of fish has opened up a broad prospect. At present, the silver carp and pond fish are mainly grass carp, with stocking and other fish and grass carp survival rate play an important role in the abundance of fish production. We all know