When choosing Oaxaca voles, the following points should be paid attention to:

1. The body length of Oaxaca voles should not exceed 150mm, and the tail is very short, generally 1/3 of the body length. or 1/4;

2. After Oaxaca Voles The soles of the feet are only covered with hair near the heels, and the rest are bare, and the pads are clearly visible; There are 4 to 5 closed staggered tooth rings in front of the transverse lobe of the molars, and the third lower molars all have 3 half-moon-shaped or oblong-shaped tooth rings.