DictionaryForumContacts

   English Chinese
Google | Forvo | +
closed-flock breeding
repr.biol. 封闭式羊,鸡育种
closed flock breeding
agric. 封闭式畜群育种; 闭锁群育种
anim.husb. 闭锁群育种不引人外血,场内自群繁育