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锯缘青蟹(Scylla serrata)主要分布在我国长江以南沿海区域。据统计,2004年全国青蟹养殖面积35941公顷,产量10.8万吨,分别比梭子蟹高9%和17%,是我国海水蟹类养殖的主要品种。长期以来,由于青蟹在种苗培育阶段对于营养和环境的要求特殊,养殖用苗主要依靠海区天然苗,其结果不仅阻
Scylla serrata (Scylla serrata) mainly distributed in China’s coastal areas south of the Yangtze River. According to statistics, in 2004, the area of crab farming in the whole country was 35,941 hectares and the output was 108,000 tons, which were respectively 9% and 17% higher than that of the shuttle crabs. It is the main species of marine crab aquaculture in China. For a long time, due to the special requirements of nutrition and environment for the blue crab in the stage of seedling cultivation, the breeding seedlings mainly depend on the natural seedlings in the sea area. The result is not only obstructive