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我们于2003年在湖南岳阳团湖渔业公司渔场进行了大口鲶80∶20成鱼养殖模式试验,试图通过改变放养结构、改进养殖方法等措施,达到增产增效的目的。现将经过一年的试验结果报道如下。1材料与方法1.1试验池塘条件选择条件相近的池塘3口,面积均为5亩,水深1.5-1.8米,水源来自团湖,水
In 2003, we conducted a test of adult catfish 80:20 farming in the fishing ground of Tuanhu Fishery Company in Yueyang, Hunan Province. We tried to increase production and increase efficiency by changing the stocking structure and improving breeding methods. Now after a year of test results are reported below. 1 Materials and methods 1.1 Experimental pond conditions Select a pond of 3 similar conditions, both an area of 5 acres and a depth of 1.5-1.8 meters, water from the Tuanhu, water