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由省水产研究所研究的“草鱼抗病品种选育和乌龟养殖技术,”分别是农牧渔业部下达的国家攻关项目和省农业厅科研项目。一九八六年十月在长沙通过省级鉴定,省内外专家、教授和领导共二十余人参加了会议专家们认为:草鱼抗病品种选育的阶段成果——“鲤草异源四倍体及其回交三倍体草鱼杂种的研究”。通过亚枓间远缘杂交,首先发现了鲤草异源四倍体能育,并获得了四个组合的草鱼形、草食性和生长快的回交草鱼杂种,是草鱼杂交育种的一个突和重
By the provincial Fisheries Research Institute “Grass carp resistant varieties breeding and turtle farming technology ” are the Ministry of Agriculture, Animal Husbandry and Fisheries issued by the state research project and the Provincial Department of Agriculture research projects. In October 1986, it passed the provincial appraisal in Changsha. More than 20 experts, professors and leaders from both inside and outside the province participated in the conference. Experts believe that the stage results of the breeding of grass carp resistant varieties - “ Tetraploid and its backcross triploid grass carp hybrid ”. Through distant hybridization among the subfamilies, we found that tetraploid fertility of P. carp was first found, and four combinations of grass carp, herbivore and fast-growing backcross grass carp hybrids were obtained.