湖北省枝江县姚家港镇渔业开发公司技术员姚永贵,通过在实践中不断摸索,研究成功了鲤鱼二次人工繁殖技术。最近,被省科协命名为科技示范户。姚永贵今年48岁,一九八四年承包镇渔业开发公司精养水面15亩。从事鱼种繁殖,长期以来他采用的是一年一次人工繁殖的老办法,鱼池问歇时间长,经济效益差。一九八八年,他决定利用自己多年来养鱼的经验,探索一条立体经营的路子。改一 Yao Yonggui Yaojigang Fisheries Development Company, Zhijiang Town, Zhijiang County, Hubei Province, through continuous exploration in practice, successfully studied the second artificial propagation of carp. Recently, the provincial science and technology association named science and technology model households. Yao Yonggui, 48 years old this year, 1984 contracted town fisheries development company intensive surface 15 acres. Engaged in species breeding, he has used for a long time once a year the old method of artificial breeding, fish ponds long break, poor economic efficiency. In 1988, he decided to use his years of experience in fish farming to explore a three-dimensional business approach. Change one