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试验表明,淡水白鲳早繁鱼苗当年可达到商品规格;成鱼塘套养效果较好,套养的最佳密度为每亩200尾,亩净增产34.7kg,增加纯收入188.57元。
Experiments show that the freshwater catfish fry fish can reach the commodity specifications that year; adult fish ponds better, raising the optimal density of 200 per acre, net increase of mu 34.7kg, an increase of net income 188.57 yuan.