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1994年我们在天津市宁河县天河渔场进行异育银鲫池塘精养,获得成功。养殖池塘2口,每口9亩,共计18亩。亩均产成鱼667公斤,其中:异育银鲫492公斤,规格达175克/尾以上,鲢鳙鱼175公斤,亩获利润3480元。现将养殖中取得的几点经验总结简介如下,以供参考。 一、池塘和水质 1.池塘条件:池塘面积5～10亩,池底平坦,底质以壤土最佳,底泥15～25厘米,水深能保持在2米左右,每口池塘配备一台3千瓦叶轮式增氧机。 2.水质:水质应符合国家颁布的渔业水质标
In 1994, we conducted intensive cultivation of allogynogenetic crucian carp pond in Tianhe Fishing Ground in Ninghe County, Tianjin, and succeeded. Breeding pond 2, each mouth 9 acres, a total of 18 acres. Mu produced 667 kilos of fish, of which: 492 kilograms of allogynogenetic crucian carp, the standard of 175 grams / tail above, silver carp and bighead carp 175 kilograms, profit of 3480 yuan per mu. The experience gained in aquaculture is summarized below, for reference. First, the pond and water quality 1 pond conditions: pond area of 5 to 10 acres, flat bottom, the best loam sediment, sediment 15 to 25 cm, the water depth can be maintained at about 2 meters, each pond is equipped with a 3 Thousand-kilowatt impeller aerator. 2. Water Quality: The water quality should be in line with the national fishery water quality standards