Emerging Equine Diseases: What You Should Know

Learn about emergent diseases and what steps we can take to help stop illnesses’ spread into unaffected countries.

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Not long ago, we didn’t know that some now-common equine diseases even existed. Potomac horse fever, hendra virus infection, and contagious equine metritis, among others, were all once considered emergent diseases. And while we no longer think of them as new conditions, there are likely many more just waiting to make their first appearance or spread across an international border into a previously unaffected country.

At the recent 2015 University of Kentucky Equine Showcase, held in Lexington, Peter J. Timoney, FRCVS, PhD, shared some important insight into emerging equine diseases. Timoney is a professor and former department chair and director of the University of Kentucky Gluck Equine Research Center, also in Lexington.

What is an emergent disease?

Emergent diseases are those that are recorded for the first time in a population (such as Potomac horse fever or hendra virus) or those that might have been around for a period of time, but had not been diagnosed (like mare reproductive loss syndrome or contagious equine metritis), Timoney said

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Written by:

Erica Larson, former news editor for The Horse, holds a degree in journalism with an external specialty in equine science from Michigan State University in East Lansing. A Massachusetts native, she grew up in the saddle and has dabbled in a variety of disciplines including foxhunting, saddle seat, and mounted games. Currently, Erica competes in eventing with her OTTB, Dorado.

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