一龄草鱼成活率低,规格小,数量严重不足,成为当前鱼种生产的主要障碍。怎样才能提高其成活率呢?笔者认为应采取以下技术措施: 1.提早放养 为缓和夏花草鱼和配养鱼之间在水质、饵料、空间上的矛盾,应尽早获得草鱼苗。目前在生产上采用“南苗北调”或 First-age grass carp survival rate is low, small size, a serious shortage of numbers, become the main obstacles to the current production of fish species. How to improve its survival rate? I believe that the following technical measures should be taken: 1. Early stocking In order to ease the conflict between summer grass carp and fish in the water quality, food, space, grass carp fry should be obtained as soon as possible. At present, the production of “South Miao north tune” or