尚志市老街基乡元宝和村渔民杨立发于2002年承包一处150亩的小水库,采取鱼、畜、禽相结合的绿色生态化养殖模式,创鱼总产量9057kg,平均亩产60.38kg,总收入41283元,养鱼成本15650元,纯利润25633元,平均亩纯利润170.90元。另外他还养鸡2000只,纯收入10000元;养猪100头,纯收入1500 Shangzhi Old Street Rural Township yuanbao and village fisherman Yang Lifa contracted in 2002 a small reservoir of 150 acres and take the fish, livestock, poultry combination of green ecological farming model, a total output of 9057kg fish, the average yield 60.38kg, The total income of 41283 yuan, fish farming costs 15,650 yuan, net profit of 25,633 yuan, the average net profit of 170.90 yuan. In addition, he also raised 2,000 chicken, net income of 10,000 yuan; pig 100, net income of 1,500