河蟹,学名中华绒螯蟹,其肉味鲜美,营养丰富,历来是美味佳肴,宴席珍品,在国内外市场上畅销不衰,具有极高的经济价值。一、我国河蟹生产发展现状1.河蟹养殖工作效果显著,已取得明显的经济效益和社会效益。河蟹的人工繁殖在我国已有二十多年的历史,近几年,放流面积逐年扩大,增殖区域也不断扩大。除西藏和甘肃外,全国其它省、区、市都开展了人工养殖。1987—1990年,福建在全省28个县市的溪河中,放流河蟹 Crab, scientific name of Chinese mitten crab, its delicious meat, nutritious, has always been delicacies, banquet treasures, popular in domestic and foreign markets, with high economic value. First, the development of China’s crab production situation 1 crab breeding effect is significant, has made obvious economic and social benefits. Artificial propagation of crab in our country has more than 20 years of history, in recent years, the release of the area has expanded each year, the proliferating area is also expanding. Except Tibet and Gansu, other provinces, autonomous regions and municipalities throughout the country have carried out artificial breeding. 1987-1990, Fujian province in 28 counties in the river, releasing crabs