草鱼是淡水养殖的优良品种,但由于大规格草鱼种培育成活率低,影响了成鱼养殖的进一步发展。作者于2005年承担了长汀县畜牧水产局下达的大规格草鱼种高产养殖试验任务,经过一年的试验,并经验收鉴定,亩产达732kg,平均每尾重92g,取得较好的经济效益。现将情况介绍如下:鱼种规格(cm Grass carp is an excellent breed of freshwater aquaculture, but due to the low survival rate of large-scale grass carp breeding, affecting the further development of adult fish farming. In 2005, the author assumed the task of high-yielding trial of large-sized grass carp species released by the Bureau of Animal Husbandry and Fishery of Changting County. After one year’s trial and acceptance test, the output per hectare reached 732kg, with an average weight of 92g per tail, achieving a better economy benefit. Now the situation is as follows: Species (cm