发展大规格优质商品蟹养殖,已成为当前提高河蟹养殖经济效益和推进河蟹持续健康发展的主要途径。要养好大规格优质商品蟹,关键要有规格适宜的优质蟹种。当前在1龄蟹种的培育上,最大的问题是性成熟比例过高。解决这一问题的唯一办法就是采取“控调”结合。1控放苗时间近年来,绝大部分的人繁苗出池时间在3月下旬至4月初。用这种蟹苗培育1龄蟹种。由于放养时间早,生长 The development of large-scale high-quality commercial crab farming has become the main way to enhance the economic benefits of crab farming and promote the sustainable and healthy development of crabs. To raise large-size high-quality goods crabs, the key to the appropriate specifications of high-quality crabs. At present, in the first-instar crab breeding, the biggest problem is the high proportion of sexual maturity. The only solution to this problem is to adopt a combination of “control and adjustment.” Controlling seedling time in recent years, the vast majority of people and seedlings out of pool time in late March to early April. The first-instar crabs are cultivated with this crab plant. Due to stocking early, growth