金鸡湖渔业利用现状及增殖途径

金鸡湖养殖场以肥水养鱼而闻名，自８０年代开始单产已达１５０ｋｇ／１０００ｍ２以上，进入９０年代后，在养殖模式、经营管理上进行了调整和改进，现基本模式是平均每千平方米放２５．５ｋｇ、４５０尾左右，其中鲢、鳙占７５％，鲤、鲫、鳊等占２５％；平均单产１７４ｋｇ／１０００ｍ２，增肉倍数为６．８，其中鲢、鳙产量占６９％；利润率１００％；在捕捞、销售上实行常年捕捞、周年上市。

Status of Exploitation and Approaches of Enhancement of Goldcock Lake Fisheries

Fish farm of Goldcock lake is famous for its fish culture in rich water. The yield per unit area in the farm reached above 150 kg/1000 m2 from 1980s. In 1990s, the culture model and management in the farm had been adjusted and improved. Now the culture model is as follows. 450 fingerlings, weigh 25.5 kg, are stocked in per 1000 m2 water, 75% of them are silver carps and bighead carps, the other 25% of them are commonm carps, goldfishes and white breams etc.. The yield per unit area is 174 kg/1000 m2, siver carps and bighead carps comprise 65% of the production, the profit rate is 100%. The fish can be captured all year and marketed annually.