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Gastric Ulceration - all species
- Affects the pars oesophagea (margo plicatus) in adults and foals.
- Due to parasites - Gasterophilus (Bots).
- Bots are not as common as they once were.
- Look like big pink maggots.
- Killed by Ivermectin.
- Gasterophilus leave large ulcers in glandular regions of the stomach.
- Ulcers / erosions are quite deep.
- The parasites are believed to be non-pathogenic, but in large numbers they probably produce some discomfort and poor growth.
- Carcinoma can also produce ulceration in the stomach of the horse as, in other species.
- In foals, the glandular area may sometimes be affected.
- This may be e.g. stress-related, or due to used of NSAIDs.