蟹种规格大小、质量优劣直接影响养蟹的效益,近年来各地对无公害大规格蟹种的需求与日俱增。利用稻田培育蟹种,可实现稻蟹共生共长,互相促进,不仅提高了土地利用率,而且育出的蟹种生态优质高效无公害,长出的稻谷优质高产,每亩蟹种、稻谷的纯收入可高达1.5万元以上,经济效益极为显著。 Crab species size, quality advantages and disadvantages have a direct impact on the benefits of crabs, in recent years around the growing demand for pollution-free large-size crab species. The use of paddy cultivated crab species, rice and crabs can be achieved symbiotic total length, promote each other, not only increased land use efficiency, but also raised the crab species of ecological quality and efficient pollution-free, grow high quality rice yield per acre crab species, rice Net income can be as high as 15,000 yuan, the economic benefits are extremely significant.