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在江口水库 ,通过减少夏花放养量 2 0 - 30 % ,用不同目大的 16m2 网箱 ,经二级培育 ,当年育成 16 5- 2 0cm大规模鱼种 ,翌年成鱼箱减少 35- 4 0 %放养量 ,用 2 0 - 2 3尾 /m2 ,养成 550- 110 0g食用鱼 ,比原放养模式增产 154- 157% ,增效 86 - 10 5%。
In Jiangkou Reservoir, large-scale fish species of 16-5-20 cm were bred by secondary cultivation by reducing the stocking rate of summer flowers by 20-30% with 16 m 2 cages in different sizes, and the number of fish containers decreased by 35-4 in the following year 0 ~ 0% stocking, with 20 - 2 3 tail / m2, develop 550 - 110 0g food fish than the original stocking mode yield 154-157%, efficiency of 86-105%.