早熟幼蟹的鉴别与控制技术丁雷宋憬愚岳永生（山东农业大学动科院，泰安２７１０１８）早熟蟹，俗称“老头蟹”，性腺早熟，但又达不到上市规格，且不再生长，在养殖中，会因蜕壳困难而死亡，影响养殖效益。１早熟蟹的鉴别１．１规格规格在５—１０ｇ／只的蟹种中早熟蟹极... Precocious crab identification and control technology Ding Lei Song Yuanyue Yue Yongsheng (Shandong Agricultural University, Tai’an 271018) Precocious crab, commonly known as “old crab”, gonadal premature, but not up to market specifications, and no longer grow in Breeding, due to the difficulty of molting and death, affecting farming efficiency. 1 Identification of precocious crab 1.1 specification specifications 5-10g / only crab species in the premature crab ...