Contains 1.87% Ivermectin for the control of large and small strongyles, pinworms, ascarids, hair worms, stomach worms, threadworms, and bots. Safe for all horses. Dosage: each syringe will treat 1250 lbs of body weight. Because of the volitility of the Ivermectrin Market, Chariton Vet Supply reserves the right to substitute the lowest priced Ivermectin wormer.

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