How to Collect Ear Notch Samples for Immunohistochemistry

1. Sample can be collected from any age animal.
2. Using hog ear notch pliers, take sample from the margin of the ear.
3. Recommend notching ears in the same place to use as permanent indicator that animal has been tested.
4. Ensure that animal has been properly identified.
5. Place sample in glass or plastic tube with water-tight lid.
6. Add 10% formalin to tube equal to 10X the size or volume of the sample.
7. Send tissue sample to laboratory within 14 days to be processed.