凤凰县大田乡大田村吴勤佑,全家6口人,有责任田6亩,旱土10亩。他从水产杂志上看到,流水养鱼有搞头。1990年,他在本村一条灌溉渠旁挖掘了一个65m~2,半月形的流水养鱼池,当年收获鲜鱼430公斤,收入2400元。1991年又承包了1.4亩稻田,并加大投放量和鱼种规格,增加了各种科学养殖措施。经过225天后的精心养殖,于11月28日进行盘产验 Wutian You, Datian Village, Datian Township, Fenghuang County, 6 people in the whole family, 6mu of farmland and 10mu of dry land. He saw from the Journal of Aquaculture that there was a headache in running water fish. In 1990, he excavated a 65m-2, half-moon water-holding fish pond beside an irrigation canal in this village. In the same year, 430 kilograms of fresh fish were harvested and his income was 2,400 yuan. In 1991, another 1.4 mu of paddy fields were contracted, and the quantities of putties and species of fish were increased, and various scientific breeding measures were added. After 225 days of careful farming, on November 28 disk production test