Q&A: Controlling Parasites in Horses
Work with your veterinarian for advice on how to select the most appropriate dewormer for your horse. | Photo: Kristen Janicki
Kenton Morgan, DVM, Dipl. ACT, senior equine technical services veterinarian for Zoetis, shares his answers to some of the most common questions horse owners have about controlling parasites.

Q: When is the best time to deworm my horse?

A: Horse owners need to take advantage of the environment and deworm when parasite levels can be at their highest—during the spring and fall —per American Association of Equine Practitioners (AAEP) guidelines. Horses at greater risk might need more frequent anthelmintic, or deworming, treatments. Spring is the best time to treat for encysted small strongyles (strongyles in the larval stage)

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