Ma goat industry of Muma Mountain was pushed forwards greatly because the coming of huge migration of Di people and the folk custom of having mutton in the Winter Solstice formed gradually .
氐人的大量迁入,又一次把牧马山养殖麻羊的产业向前推进了一大步,逐渐形成冬至吃羊肉的民间习俗。