Today’s guests is Michele L. Frazer, DVM, DACVIM, DACVECC, an Associate veterinarian at Hagyard Equine Medical Institute in Lexington, Kentucky.


This episode of Disease Du Jour focuses on equine diarrhea. Every vet sees diarrhea cases, but how should you go about determining the cause and whether it is infectious?

Frazer discusses stabilizing the horse with diarrhea, IV fluids and oral medications that might help. She also discusses diagnostics for salmonella, clostridium Potomac horse fever, rotavirus in foals and those diarrheas that remain unidentified.

Other problems that a veterinarian faces with a horse that has diarrhea is the ability to isolate that horse, how you manage the rest of the herd that horse is associated with, and the management of mares and foals when one of them is sick. Frazer also talks about gastro protectants, how diarrhea can affect a horse’s feet, and when you can release biosecurity protocols when dealing with equine diarrhea.

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