What causes deer to have tumors like this?

By Grant Woods,

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Question
Hello Grant and everyone one at Growing Deer TV! I was wondering what causes tumors such as this one on this buck? I have seen them varying in sizes and locations and was wondering if the causes are injuries, cancers, or something completely different. Thanks and keep up the great work on the best deer hunting and management show ever!

Bryan,

I’ve never seen a deer with a tumor like the one shown in your picture in person.  I’m not aware of any disease that results in such tumors in deer.  

I suspect it’s caused by blood polling after an injury.  Such tumors are always at a low spot on the body in the pictures folks share.

Enjoy creation,

grant

December 10, 2015