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为了提高湖泊水面养殖的产出率和经济效益,我们于2002年利用大纵湖进行了网围养蟹套养鳜鱼试验。试验共3个框口、面积235.5亩,平均每亩生产商品蟹34.14kg,平均规格145.7g/只;鳜鱼7.04kg,平均规格417.0g/尾;每亩毛利润为1115.25元,其中鳜鱼占毛利润18.84%,每亩增效210.17元。现
In order to improve the productivity and economic benefits of surface aquaculture in the lake, we conducted a net-crab raising catfish experiment using Dahong Lake in 2002. Test a total of three boxes, an area of 235.5 acres, the average production of crabs per mu 34.14kg, average specifications 145.7g / only; mullet 7.04kg, average specifications 417.0g / tail; gross profit per acre 1115.25 yuan, Accounting for 18.84% of gross profit and 210.17 yuan per mu. Now