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在 0 2hm2 池塘中主养草鱼 ,混养鲢、鳙、鲤、鲫 ,放养数量比例 (% )分别为 36∶34∶15∶4∶11。共放草鱼 92 8尾 ,平均规格 175g/尾 ,主要投喂聚合草 (Symphytumperegrinum ;俗称俄罗斯饲料菜 ) ,辅喂鲤鱼配合颗粒饲料。经 5个月饲养 ,草鱼产量 1416kg ,出池规格 1498g/尾 ,成活率 96 6 %。综合核算 :总产值115 5 4 70元 ,总支出 776 1 0 0元 ,总利润 3 793 70元 (折合 1hm2 利润 1896 8 5 5元 )。投入产出比 1∶1 49。饵料系数 10 6 0
In 0 2hm2 pond grass carp, polyculture silver carp, pomfret, carp, crucian carp, the number of stocking ratio (%) were 36:34:15:4:11. A total of 92 8 grass grasses were drafted, with an average size of 175 g / tail. The grass was mainly fed Symphytumperegrinum (commonly known as Russian feed), supplemented with carp and pelleted feed. After 5 months of feeding, grass carp production 1416kg, out of the pool size 1498g / tail, the survival rate of 96 6%. Comprehensive accounting: total output value of 115,54770 yuan, total expenditure of 77610 yuan, total profit of 3 793 70 yuan (equivalent to 1hm2 profit 1896 855 yuan). Input to output ratio 1:1 49. Feed coefficient 10 6 0