although young rats might be comparable in size to adult mice. Additionally, the ears of mice tend to be disproportionate to their bodies, unlike those of rats, which are more in proportion.

The same genes could hold the key to regenerating cells in the ear and eye, according to a new mouse study from the USC Stem ...

The pinnae of mice and rats are generally large enough to punch/notch after 2 weeks of age. Figure 2: (a) Ear punching/notching is a semi-permanent to permanent rodent identification method.

EDWARDSVILLE - The refreshments gave off the trappings of an afternoon chai, with an assortment of teas and specialty wafers ...