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在 0 2hm2 池塘进行主养罗非鱼 (Oreochromisniloticus)并套养鲶 (Silurusasotus)试验。共放养罗非鱼 3 90 0尾 ,平均体重 75 g ;鲶 2 10尾 ,平均体重 75g。罗非鱼饲养 95d,产量 176 0kg ,平均体重 5 31g ,成活率 85 % ;鲶饲养15 0d,产量 118kg ,平均体重 75 0 g,成活率 75 %。总投入 13 784元 ,产值 2 42 90元 ,投入产出比 1∶1 76。
Oreochromis niloticus was housed in a 0 2 hm 2 pond and housed Silurusasotus test. A total of 3 90 0 tilapia were stocked, with an average body weight of 75 g. There were 210 catfish with an average body weight of 75 g. Tilapia feeding 95d, yield 176 0kg, average body weight 531g, survival rate 85%; catfish feeding 15d, yield 118kg, the average body weight 75 0 g, the survival rate of 75%. A total investment of 13,784 yuan, an output value of 2 42 90 yuan, input-output ratio of 1:176.