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冷水滩市岚角山镇保方寺村养鱼专业户杨为贤,1982年冬承包3.17亩鱼池,走上了养鱼致富路。他养鱼多年,年年都获得好收成。1987年共起水成鱼2424.5公斤,收入6943元,亩平收入2190.2元,他养鱼高产的秘诀有三条: 1、把好鱼种放养关。在鱼种放养时,坚持做到三个必须;一是选择的鱼种必须是同一来源,大小整齐,体质健壮,无病无伤的大规格鱼种;二是除放养草、鲢、墉、鲤等常规品种外,还必须搭配鳊、杂交鲤、白鲫等新品种,实行多品种混养,以充分利用水体、饵料资源,提高鱼类群体产量;三是鱼种下池前必须用3％的
Yang Weixian Town, Lan Shui Shan Town, Lengshuitan City Yang Weixian, a specialized fish-farming specialist in Yangfusi Village, contracted 3.17 mu of fish ponds in the winter of 1982 and embarked on a road to fish enrichment. He has been fish for many years and gets good harvests every year. In 1987 a total of 2424.5 kilograms of fish into the water, income 6943 yuan, mu flat income of 2190.2 yuan, his high-yielding fish tips there are three: 1, the good stocking stock clearance. In the stocking of fish species, insist on doing the three must; First, the selected species must be the same source, size and neat, strong physique, disease-free and non-destructive large size species; Second, in addition to stocking grass, silver carp, Common carp and other conventional varieties, but also must match with 鳊, hybrid carp, white carp and other new varieties, the implementation of multi-species polyculture in order to make full use of water, feed resources and improve fish production; Third, the species must be 3% of