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采用温棚培育幼蟹是提高苗种成活率,提高商品蟹规格,提高养蟹经济效益的有效措施。一般情况下,如对幼蟹进行温棚培育,可使苗种成活率提高20-30%,商品蟹规格提高1—2级,养蟹效益提高60%以上。温室培育幼蟹的技术要求如下:一、温棚建造。池面积一般为0.5-1亩,池深0.8-1,2米,水深0.3-0.8米,东西向为宜,池产坦,池坡比
Culturing young crabs in greenhouse is an effective measure to improve the survival rate of seedlings, increase the specification of commercial crabs and improve the economic benefits of crab farming. Under normal circumstances, such as incubation of young crabs, can increase the survival rate of seedlings 20-30%, improve the level of 1-2 commodity crabs, crabs benefit more than 60%. Greenhouse nursery crab technical requirements are as follows: First, the greenhouse construction. Pool area is generally 0.5-1 mu, pool depth of 0.8-1, 2 meters, 0.3-0.8 meters depth of water, east-west is appropriate, Tanchan Tan, pool slope ratio