The method of marking the tail with Oppen is suitable for short-term
identification. Compared to ear-punching or ear-marking, which involves
cutting the animal's ears, this method is less stressful on the animal and
easier for the experimenter

Available in five colors.
● Capable of marking the tail and skin of not only albino mice but also colored mise such as C57BL/6.
● Animal-safe inks are used.

If you wish identifiy by hair, Animal Marker is recommended.

For Albinos Mouse = Pink or Blue

For B6 = Pink

For B6 (2 week old) = All colors

For B6 (4 months old) = All colors

For B6 (6 months old) = All colors