江苏省盐城市郊区大纵湖乡水产养殖一场夏永久,1991年承包了该场0.5公顷鱼种塘,在科技人员的指导下,采取了快速育种法,连续二年产量、效益创当地最高记录。去年亩产鱼种520公斤,总产达3900公斤,产值2.2万元,纯收入1万多元。其经验是: 一、清整池塘,施足基肥冬春进行鱼池改造,挖除淤泥,平整塘背,曝晒塘底。鱼苗入池前半个月用生石灰彻底消毒,并改变鱼苗清水下塘的传统习惯,做到肥水下塘,培育鱼苗的适口饵料——轮虫,力求鱼苗下塘与轮虫高峰期相遇。一般在鱼苗下塘前 Aquaculture in Dazhonghu Township, a suburb of Yancheng, Jiangsu Province, was held at Xia Yongjiu for a long time. In 1991, 0.5 hectares of fish ponds were contracted. Under the guidance of scientists and technicians, the rapid breeding method was adopted, yielding the highest yield in two consecutive years recording. Last year, 520 kilograms of fish per mu were produced with a total output of 3900 kilograms, an output value of 22,000 yuan and a net income of 10,000 yuan. Its experience is: First, clean up the pond, apply foot and winter fertilizer pad transformation, dredging mud, smooth pond back, exposure pond bottom. Half of the fry into the pool with lime thoroughly disinfected, and change the traditional habit of fish ponds under the water ponds, so that fertilizer and water ponds, fostering fostering food - rotifers, and strive to meet the peak pond frog pond and rotifer. Generally under the fry pond