Horsemen's Laboratory - Experts in Worm Control

Why Rotational Deworming is Irrational.

By

Nikki Alvin-Smith

Administering paste dewormers such as Ivermectin every 6-8 weeks, seemed like a good idea at the time, but that was nearly 40 years ago.

Paste dewormers provided a quick and easy solution to control internal horse parasites and off we all went down that road. Along the way the scientific community began to notice equine worms were developing a resistance to some of the paste dewormers and the alarm was sounded. Thus the rotational rationale was adopted.

So with due diligence we all changed direction, trotted down the new path and utilized a variety of active chemical dewormer ingredients. We were nervous to hear that dewormers were losing their efficacy and that with no new parasite treatments on the horizon, we might have a real equine parasite problem re-emerging. Good for us. According to academic experts there are still no new treatments in the pipeline, so yes, let’s worry.

Has rotational deworming worked? The short answer is an emphatic, “No!”

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Horsemen’s Laboratory has made it simple to determine if your horse really has worms! Our Equine Fecal Testing Kits include everything you will need: a sturdy container, sealed plastic bag and a prepaid self-addressed envelope to mail the sample back to our lab. The price includes all postage and the results will be conveniently emailed to you.

We make it easy to find out if your horse really has worms!

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