The genetic variation of 7 enzymes coded by 14 loci were analyzed for 4 selected populations and 1 control(hatchery) population of blunt snout bream (Megalobrama amblycephala).

• 测定了团头鲂4个选育群体和一个对照群体(养殖场人繁群体)的14个座位构成的7种酶的遗传变异。