河蟹养殖是我国水产养殖业中一项新兴事业。湖北省汉川县国营刁汊湖养殖场,经过几年的实践,已积累了一些经验。1986年11月,我们重点调查了该养殖场的7个点,养殖面积15亩,平均单产104.5公斤,亩平均收入1,672元。其中有2.8亩水面,平均单产达到201公斤,亩平均收入3,216元。一、因水制宜,确定放养模式这7个点,水域条件不同,养殖方式也不一样。一是精养:精养池周围开有宽33—40厘米的围沟,围沟1米外,砌有46厘米高的水泥防逃墙,用玻璃 Crab farming is an emerging cause of aquaculture in China. Hanchuan County, Hubei Province State-owned Diaohu Lake farms, after several years of practice, has accumulated some experience. In November 1986, we focused on the investigation of seven points of the farm with a farming area of ​​15 mu, an average yield of 104.5 kg and an average mu income of 1,672 yuan. Among them, there are 2.8 mu of water, with an average yield of 201 kilograms and an average income of 3,216 yuan of mu. First, due to water should be to determine the stocking mode of these seven points, different water conditions, farming methods are not the same. First, intensive: intensive pool around the open 33-40 cm wide ditch, ditch 1 m, built with 46 cm high concrete anti-fleeing walls, with glass