通常情况下,在池塘将大眼幼体培育成扣蟹一般一年只养一茬,即每年的4～5月份将大眼幼体放入池塘中,年底或翌年2～3月份起捕上市,海门市货隆镇金跃村的水产养殖户谢国立一改常规的培育扣蟹方式,采用大棚培育蟹种,从一年一茬提高到一年三茬,极大地提高了养殖的成活率、池塘的利用率,延长了河蟹当年的生长期,缩短了养殖商品 Under normal circumstances, in the pond will be large octopus nursery breed crab generally only one stubble a year, that is, from April to May each year, the large eyed larvae into the pond, the end of the following year or 2 to March from the catching market, Haimen Market Longjin Jinyue village aquaculture farmers Xie Guoli changed the conventional way of nurturing crabs, nurturing crab species in a greenhouse, from a year to a year to improve the survival rate of breeding ponds Utilization rate, extending the crab year growth period, shortening the breeding goods