现将安徽省天长市河蟹健康养殖“十字法”介绍如下： １．水：要求水源丰富，水质清新无污染，实行２套渠道进排水，避免水源交叉感染病菌。 ２．种：建议在河蟹养殖中投放扣蟹，养成的成蟹规格一般可达 １２５ ｇ／只以上，市场价格较高且较稳定，其效益优势明显比放养当年早 Now Tianchang City, Anhui Province crab healthy breeding “Cross method” described below: 1. Water: Requires abundant water, fresh water pollution, the implementation of two sets of channels into the drainage, to avoid water cross-infection of bacteria. 2. Species: It is recommended that crabs should be put into crab farming, and the crabs formed can generally reach a density of 125 g / l or more, the market price is higher and the price is stable, and the profit advantage is obviously higher than the stocking rate