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试验采用“两高一优”的方法，在 2001m2的池塘中采取高密度放养，放养密度为 8500尾 /667m2，经 150d的生长，每 667m2效益为 1797元，投入产出比为 1∶ 1.57，效益比常规养殖方式有很大的提高。
The experiment adopted the method of “two high and one excellent” to adopt high-density stocking in pond of 2001m2. The stocking density was 8500 / 667m2. After 150d of growth, the benefit per 667m2 was 1797 Yuan, the input-output ratio was 1: 1.57, Benefits than conventional breeding methods have greatly improved.