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2003 ~ 2004 年在贵阳市花溪区鱼种场进行池塘河蟹生态养殖试验,其结果为:蟹鱼套养2004 年总产值达到105 315.75元,纯收入2 764.43元/667m2,蟹平均规格为128.15 g,最大个体210 g,平均单产115.33 kg/667m2,回捕率45%;鲢鳙鱼303.75 kg,投入产出比为1∶1.65。河蟹单养总产值达到32 340 元,纯收入2 475.37 元/667m2,蟹平均规格为125.35 g,最大个体为190 g,平均单产为107.8 kg/667m2,回捕率为43%,投入产出比1∶1.62。完成了该项目的各项指标,并取得了较好的经济效益和社会效益。
The results showed that the total output of crab fish reached 105 315.75 yuan in 2004, the net income was 2 764.43 yuan / 667 m 2, and the average crab’s average specification was 128.15 g , The largest individual 210 g, the average yield of 115.33 kg / 667m2, the recovery rate of 45%; silver carp and bighead carp 303.75 kg, the input-output ratio of 1: 1.65. The total production of crabs reached 32 340 yuan, net income 2475.37 yuan / 667m2, average crab 125.35 g, the largest individual 190 g, the average yield of 107.8 kg / 667m2, the recovery rate of 43%, input-output ratio 1: 1.62. Completed the project of the indicators, and achieved good economic and social benefits.