丰都县虎威镇大桥村村民王树权,1991年开始承包山坪塘养鱼,如今经营养鱼池塘30亩(其中苗种池3亩)年产成鱼27.5t,亩产达1000多公斤,每年可获纯利润6万元～8万元,发展水产养殖业使王树权走上了致富道路。现将王树权的养鱼致富经验介绍如下:一、合理的鱼种投放王树权采用主养鲤鱼, Wang Shuquan, a villager in Daqiao Village, Huwei Town, Fengdu County, started to contracted Shanpingtang to fish in 1991 and now operates 30 mu fish ponds (of which 3 mu are seedling ponds) with an annual output of 27.5 tons of fish and an annual output of more than 1000 kilograms per annum Can be a net profit of 60,000 yuan to 80,000 yuan, the development of aquaculture so that Wang Shuquan embarked on the road to prosperity. Now Wang Shuquan experience in fish farming are described below: First, the rational species of fish Wang Shuquan use the main carp,