青、草、鲢、鳙(以下简称家鱼)是我国淡水养殖主要的经济鱼类。养殖的历史起于唐朝。长期以来,人们认为在池塘坏境中生长起来的家鱼不能繁殖,所持的理由是池养家鱼性腺不发育。因此,千多年来,鱼种的来源,完全依靠江河捕捞。 解放以后,在党的正确领导下,水产科学和生物科学工作者解放了思想,对于以往认为生长在池塘坏境中的家鱼性腺不发育的看法,觉得有重新审查的必要,特别是在大跃进的年 Green, grass, silver carp, pomfret (hereinafter referred to as the fish) is China’s major freshwater aquaculture economic fish. The history of farming began in the Tang Dynasty. For a long time, people think that the growth of domestic fish in the pond environment can not breed, the reason is that the pond-fed fish gonadal development. Therefore, for more than a thousand years, the source of the species depends entirely on river fishing. After the liberation, under the correct leadership of the party, scientists of aquatic science and biology liberated their thoughts. For those who previously thought that the gonadal development of domestic fish, which is growing in the pond environment, is not well developed, it is necessary to review it again, especially in large The year of the leap forward