a species of tapeworm that infests horses, donkeys, mules, and zebras; causes ileocecal colic and diarrhea in horses; sometimes significant gut wall ulceration occurs. False-negative result for eggs is common in fecal analysis, so ELISA often used to confirm diagnosis. Cysticercoid larvae are found in arthropods.
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Examples: glitazone, GI cocktail, etc.