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为调整渔业养殖结构，优化渔业养殖品种，２００１年４月，我局从郯城国营渔场引进异育银鲫，在吴家庄水库进行网箱养殖。经过７个多月养殖，４只网箱共获商品鱼 ８ ８３２ ｋｇ，单产 １３８ ｋｇ／ｍ２，平均规格３００ｇ／尾，成活率为９２％，投入产出比为１：１．３５。现
In order to adjust the structure of fishery breeding and optimize the varieties of fishery breeding, in April 2001, our bureau introduced allogynogenetic crucian carp from Yuncheng State Farm and cage culture in Wujiazhuang Reservoir. After more than 7 months of breeding, 4 cages received a total of 8 832 kg of commercial fish with a yield of 138 kg / m2 and an average of 300 g / tail with a survival rate of 92% and an input-output ratio of 1: 1.35. Now