Horse Illustrated Magazine

Dr. Woodrow Friend from Rood and Riddle Equine Hospital in Lexington, Kentucky, explains the current state of parasite control and how you can protect your horse, even if he’s kept at a boarding facility.

For years, veterinarians and horse owners have correlated rotational deworming of horses with any number of paste dewormers on a predetermined schedule to be adequate control of internal parasites. With the absence of any new class of deworming products over the past 20 years and with the overuse of dewormers available, anthelmintic resistance is becoming a problem and needs to be addressed. Understanding that all dewormers vary in their clinical effectiveness on different species of parasites and at different stages of their lifecycle, we need to be more critical of which dewormers are used. Other factors that influence this decision include length of time each dewormer is expected to be effective and timing of when each treatment should occur.

Continue reading this article on New Protocols for Deworming Management from Rood and Riddle Equine Hospital.

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