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我省于一九七七年从长江口移苗49.5斤放于白洋淀。当年长到一两左右。到七八年秋最大个体达到八两,一般四两至五两。总产量数千斤,提供商品蟹二、三千斤,初步收到成效。今年又进行了这项工作。为确保运苗数量,南北两地分头进行联系,由于苗汛相差一个月,两套苗箱一套人马进行运输,从六月上旬到七月上旬,先后自上海、崇明岛和辽字盘山县运回蟹苗1550斤,分别投放到白洋淀、南大港,库伦淖等大水面和部分坑塘。白洋淀投放1049斤。到九月中旬,蟹苗已长到26～39克蟹壳横径4公分左右,保护管理得好,明年可望丰
My province in 1977 from the mouth of the Yangtze River Miao 49.5 kg put Baiyangdian. When it grows to about one or two. By the autumn of 1978 the largest individual reached eight two, generally four two to five two. The total output of several kilograms, providing crabs two or three thousand pounds, the initial receipt of results. This work was done again this year. In order to ensure the quantity of transplanted seedlings, the two places are contacted separately. Since the seedling floods differ by one month, two seedling boxes are transported by manpower from early June to early July, successively from Shanghai, Chongming Island and LiaoPanshan County 1550 pounds of crabs shipped back to the Baiyangdian, respectively, Nantang Port, Coulomb 淖 and other large surface water and some pit pond. Baiyangdian put 1049 pounds. To mid-September, crabs have grown to 26 to 39 grams of crab shell diameter of about 4 cm, the protection and management well, hope next year Feng