上虞县水产场从一九七五年开始,改革养鱼方法进行网箱养成鱼,网箱与外荡相结合的精养高产试验,同时把养鱼与养鸭、养鱼与养蚌珠、养鱼与养细绿萍等结合起来,进行水面的复合利用,取得很好的经济效益。这种养鱼方法能充分利用外荡水域的自然优势,如水体中的天然饵料;鸭粪中的粗蛋白被鱼吸收后,剩余部分又可以起到肥水繁殖浮游生物的作用;细绿萍中含有丰富的粗蛋白,是草、鳊鱼的好饲料;网箱养鱼的 Since 1995, Shangyu County Aquatic Farm has been reforming the method of fish farming to carry out intensive and high-yielding experiments in which the cage is made up of fish, net cage and external swing. At the same time, the fish and ducks, fish and clams , Fish and green fine combination of fine green, the water surface of the complex utilization, and achieved good economic benefits. This method of fish farming can take full advantage of the natural advantages of the water outside the lake, such as water in the natural food; duck fecal crude protein is absorbed by the fish, the rest can play the role of fertile water to reproduce plankton; fine green Ping Rich in crude protein, grass, anchovies good feed; cage fish