永城市水利局事业渔场于1999年利用总面积为24亩的池塘进行以青饲料为主的养殖商品草鱼试验。3月底投放大规格草鱼种2245公斤约7000尾。经4个半月饲养,总产量达到21290公斤,其中草鱼14120公斤,亩产量887公斤,其中草鱼亩产量588公斤,亩平均利润1720元。商品草鱼成活率达99.4％,产值11.96万元,利润4.13万元。 Yongcheng Water Conservancy Bureau Fisheries Fisheries Fisheries Fisheries Bureau in 1999, using a total area of ​​24 acres of ponds for green feed-based breeding grass carp test. The end of March put a large size of 2245 kg grass carp about 7000 tail. After 4 and a half months feeding, the total output reached 21,290 kilograms, of which grass carp 14,120 kilograms, 887 kilograms of mu yield, of which 588 kilograms of grass carp per mu, average profit of 1,720 yuan mu. Product grass carp survival rate of 99.4%, output value of 119,600 yuan, profit 41,300 yuan.