随着气温的逐步下降,河蟹销售市场日趋火爆,蟹农面临着两个选择,一是尽早抓蟹干塘,进行池塘准备,在年前购进蟹种放入池塘;二是进行河蟹屯养,押后销售时间等待更高的价格,部分养殖户甚至会将河蟹屯养至春节前后再出售。不管何种销售模式或养殖规划,均需面对冬季河蟹损伤和安全越冬等问题,尤其是近几年厄尔尼诺现象带来的严冬。越冬管理的核心是饵料营养、底质和水质管理、疾病防控等。根据研究和统计观察表明,河蟹在 With the gradual decline in temperature, crab sales market is increasingly hot, crab farmers are faced with two options, one is to catch crab dry pond as soon as possible, for pond preparation, purchased crab species years ago into the pond; second is to crab farming , Postpone sales time waiting for a higher price, some farmers even crab village raising until before the Spring Festival sale. No matter what kind of sales model or farming plan, we must face the winter crab damage and safety issues such as winter, especially in recent years El Niño phenomenon brings the winter. The core of winter management is food nutrition, sediment and water quality management, disease prevention and control. According to research and statistical observations show that crabs in the river