盐城市郊区义丰镇养殖三场的一口20亩鱼池中,进行了鳙鱼与罗非鱼混养试验,取得较好经济效益。其主要技术措施是:分两次放养,第1次2月14口放养鳙鱼及鲢鱼、鳊鱼、鲤鱼等共15800尾,其中鳙鱼占60％。第2次5月13日放养罗非鱼鱼种23600尾,规格为每千 Yifeng Town, Yancheng suburb of the three breeding farms in a 20 acres of fish ponds, tilapia and tilapia polyculture experiments, and achieved good economic returns. Its main technical measures are: stocking in two separate ways, the first 14 feces and silver carp, bighead carp and carp were stocked in February of 15,800, of which catfish accounted for 60%. The second May 13 stocking tilapia 23,600 species, specifications for each thousand