扣蟹苗种饲养方法不当,常出现蟹苗早熟,严重影响养殖户的经济效益。通过实践,我认为,444造成蟹苗早熟的主要原因有二,一是池水浅,水温高,养殖面积太小。二是投喂方法不当,投喂蛋白质饵料过多,水质较肥促使了蟹苗早熟和半早熟。尤其是沿海一带,由于池水含盐量较高,内塘饲养的扣 Crabs breed inappropriate methods, often appear crab precocious, seriously affect the economic benefits of farmers. Through practice, I think, 444 caused two reasons for crab precocious, first, shallow water, high water temperature, breeding area is too small. Second, improper feeding method, feeding too much protein bait, water more fertilizer to promote the crab precocious and semi-precocious. Especially in the coastal areas, due to the high salinity of the water ponds, the ponds are kept in buckets