*'''Gastroduodenal ulceration''' or [[Gastric Ulceration - Horse|''Equine Gastric Ulcer Syndrome (EGUS)'']] is a common cause of mild to moderate colic.
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*[[Gastric Ulceration - Horse|'''Gastroduodenal ulceration or 'Equine Gastric Ulcer Syndrome (EGUS)'''']] is a common cause of mild to moderate colic.
*'''Pyloric obstruction and delayed gastric emptying'''
*'''Pyloric obstruction and delayed gastric emptying'''