Laboratory animal micro tattoo system This tattoo system uses a hypodermic needle to deposit paint in the skin of laboratory animals. It can be used to mark mice and rats as young as 1 day old. It only takes seconds to apply the markings and they remain readable for years. Infections can be prevented easily by using a new sterile needle for each animal. Millions of numbers can be assigned by making permanent markings on the toes, the toe pads, the tail or the ears of mice and other lab animals. A grid is provided with a recommended numbering system or the product can be used for individual marking systems.
Tattooing can be a simple alternative to ear punching. The micro tattoo system can be used to mark ears in a similar way they would be “marked” with an ear punch. A 25G or 27G needle can be used to tattoo small dots in a set pattern on the ears, giving each animal a unique number. A 30G needle may be required for young mice. An additional benefit of tattoos is that they do not have any effect on the ear’s blood flow.
See an illustration about the application on toes here.
Click here to view the tattoo system study by Abbott Labs.
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