随着人民生活水平的提高和水产养殖形势的发展,四大家鱼已不能满足市场的需求,因此,优化养殖结构、开发养殖新品种就成为了提高经济效益和促进渔业发展的重要措施。2005年,我们在延寿镇长发渔场进行了“天然饲料养殖大口鲶的高产试验”,利用自然水域中的小杂鱼为绿色饲料,生产 With the improvement of people’s living standards and the development of aquaculture, the four major domestic fish can no longer meet the needs of the market. Therefore, optimizing aquaculture structure and developing new aquaculture species have become important measures to increase economic efficiency and promote fishery development. In 2005, we conducted a “high-yield test of natural feed farming catfish” at the Longfa Fishery Farm in Yanshou Township. Using small trash fish in natural waters as green feed,