近年来,江苏省金坛市稻田养蟹发展较快,效益较高,一般亩产稻谷400公斤,成蟹25公斤,亩净利3000元。其中一条主要经验是进种早,蟹体壮,成活率高。一般进种时间于上年的11月至12月,越冬后的成活率普遍达到95％以上,且个体增重。现将稻田养蟹蟹种越冬技术介绍如下: In recent years, the development of rice crabs in the rice fields in Jintan, Jiangsu Province has been developing rapidly with high benefits. The average output of 400 kilograms of rice, 25 kilos of crabs and 3,000 yuan of net profit per mu are per mu. One of the main experiences is to grow early, crab and strong, high survival rate. Generally into the kind of time in the previous year from November to December, the survival rate after overwinter generally reached more than 95%, and individual weight gain. Now paddy crab overwintering technology introduced as follows: