Haylie Pfeffer

Haylie Pfeffer, Digital Editor, holds a degree in equine studies with a concentration in communications and a minor in social media marketing. She is a Pennsylvania native and, as a horse owner herself, has a passion for helping owners provide the best care for their horses. When she is not writing or in the barn, she is spending time with her dog, Clementine.

Articles by: Haylie Pfeffer

VS Outbreak Hits Texas

On Friday, May 20, Texas joined New Mexico and Arizona as states with confirmed cases of vesicular stomatitis (VS) this spring. Two Travis County horses were hauled home May 10 from a trail ride in Arizona, where they apparently were exposed to

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SmartPak Equine Receives Award for Innovation

SmartPak Equine announced May 23 that it has received a 2005 Innovation Award from the Smaller Business Association of New England. SmartPak, best known for offering custom-packed nutritional supplements in its patented SmartPak packaging, is th

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Umbilical Cord Length and Foal Health

A long umbilical cord increases the risks for abortions and stillbirths in horses. Complications include strangulation of the foal and excessive cord twisting, writes Karin Bosh in a recent edition of Equine Disease Quarterly, a newsletter

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Training Resumes at Churchill

Horses stabled in a second Churchill Downs barn placed under quarantine by the Kentucky Department of Agriculture because of confirmed cases of equine herpes virus at the track will be allowed to return to limited training on May

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Churchill EHV-1 Update

Equine herpesvirus type-1 (EHV-1) has been confirmed as affecting horses at Churchill Downs. 


Three barns (6, 38, and 39) are currently quarantined on the backside of Churchill Downs.


To date, a total of five

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Update on Maryland EHV-1 Situation

As of May 20, there were no new equine herpesvirus (EVH-1) cases at the Columbia, Md. horse facility that has been handling a number of cases of the neurologic form of the virus since late March. Private veterinarians, Maryland state animal

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Ulcer Research in Racehorses: Omeprazole Helps

Two articles on the use of omeprazole paste (GastroGard from Merial) in racehorses were published in the May 15 edition of the Journal of the American Veterinary Medical Association (JAVMA). The first study looked at using omeprazole

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Intranasal Vaccine Tolerance

A study by Elkanah H. Grogan, BS, and Sue McDonnell, PhD, Certified Applied Animal Behaviorist, of the University of Pennsylvania’s Equine Behavior Laboratory, looked at how difficult it was to give intranasal vaccines using two different

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Mothers to Be

While the socialization process of transforming fillies and mares from racetrack careers into broodmares might be easier than it is for stallions, biologically it is significantly more complex for distaffers to begin their reproductive

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Benefits of Joint Supplements Reaffirmed

Cosequin has previously been shown to improve lameness grade in horses with radiographic evidence of joint cartilage damage, and studies have explored possible mechanisms of action for FCHG49 glucosamine hydrochloride and TRH122 low molecular weight

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Trail Riding: Position in a Group

Does your horse walk along quietly with at least a horse length between him and the horse in front, or does he want to tailgate the lead horse without watching where he places his feet?

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Update on Churchill Downs Horses

Necropsies from the two horses affected by neurologic signs at Churchill Downs showed the horses had lesions consistent with equine herpesvirus myeloencephalopathy (damage to the brain and/or spinal cord). Three other horses are currently showin

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