江苏省泗洪县河蟹养殖户为了错开河蟹销售高峰,大都采取网箱暂养延缓上市,以取得更大经济效益。当然河蟹暂养也存在一定的风险,如暂养死亡率问题。因此笔者提醒河蟹暂养的养殖户应注意以下几点:一是入箱时间的选择。起捕入箱的时间为每年霜降之后。如过早起捕,因水温还较高,入箱后死亡率高。太晚,又会因温度低,河蟹不太活动,而不易起捕。二是暂养的地点选择。要选择无污染源、环境相对安静的地方,最好是路电 Sihong County, Jiangsu Province, crab farmers in order to stagger the peak sales of crabs, cages are mostly suspended stock market, in order to achieve greater economic efficiency. Of course, there is also a certain risk of crab holding, such as holding the problem of mortality. Therefore, I remind crab culture farmers should pay attention to the following points: First, the choice of time into the box. The time to catch the box after the annual frost. If premature catching, because the water temperature is still high, high mortality after entering the box. Too late, due to low temperature, crab is not too active, but not easy to catch. The second is the location of holding options. To choose non-polluting sources, the environment is relatively quiet place, it is best to power