The matters needing attention in the selection of Beishe mice include the following aspects.

I. Appearance characteristics: The coat of Beishe rat is mostly fluffy, the snout is short and blunt, and the ear shell is short. Feet and limbs are short, no cheek pouches. The skull is thick and solid, and the molars are generally divided into many lobes.

Second, living habits, Beishe mice often live in camps and underground Live, eat plants.