Poll evil is a traditional term for a painful condition in a horse or other equid, that starts as an inflamed bursa at the cranial end of the neck between vertebrae and the nuchal ligament, and swells until it presents as an acute swelling at the poll, on the top of the back of the animal's head. The swelling can increase until it ruptures and drains.
Poll evil is a traditional term for a painful condition in a horse or other equid, that starts as an inflamed bursa at the cranial end of the neck between vertebrae and the nuchal ligament, and swells until it presents as an acute swelling at the poll, on the top of the back of the animal's head. The swelling can increase until it ruptures and drains.
Source: Wikipedia "Poll evil" · CC BY-SA 4.0
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