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在水质肥沃的水库里,利用网箱进行不投饵培育鲢鳙鱼(花白鲢)鱼种,不仅切实可行,而且具有不占鱼种塘,不花鱼饲料,成本低的优点。在不投铒情况下,利用网箱在水库里培育一尾4寸左右的花白鲢鱼种,成本不到0.04元,而在池塘内培育同样大小的一尾鱼种的成本在0.05元以上,
In the water-rich reservoirs, the use of cages for breeding bait carp and bighead carp (silver carp) fish species, not only feasible, but also does not account for species ponds, fish feed, the advantages of low cost. In the absence of erbium, the use of cages in the reservoir to cultivate a 4-inch flower of silver carp species cost less than 0.04 yuan, and in the pond to cultivate the same size of a fish species cost 0. 05 yuan or more,