Nematode in donkey
This is the anterior end of a nematode parasite found embedded in a serpiginous pattern in the mucosa of the esophagus and nonglandular stomach of a 32-year-old castrated donkey at necropsy. What is it?
Case and photo provided by Dr. Byron Blagburn, Auburn University.
This is Gongylonema, a spirurid nematode acquired by ingestion of dung beetles. The nematode is readily identified by the prominent cuticular bosses as well as the characteristic zigzag pattern it makes in the mucosa of infected animals
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