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

Diagnosis and Treatment of Stifle Lameness

The stifle is a frequent source of lameness in English and Western performance horses, although it’s not as common a cause as the hock. Stifle problems arise from chronic, repetitive trauma, or as a result of a pre-existing condition.

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Texas Horse Cruelty Case Motivates Legislative Change

A 22-year-old Texas man will serve nine months in jail for torturing and killing a yearling filly named Cowboy Chic in her pasture last October.

A jury convicted Kenneth Ryan Peterson of animal cruelty and felony criminal mischief in 11

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I Thought I Understood What A Firestorm Was …

Rebecca Sparenberg, assistant editor for Riding Magazine, tells firsthand of saving horses from the California wildfires, as well as sharing stories of the horse community, which banded together in a time of crisis.

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Diagnosis and Treatment of Hock Lameness

Inflammation of the lower rows of hock joints is referred to as distal tarsitis, and it is associated with a variety of clinical signs. According to Black, an affected horse might demonstrate a “stiff” gait, especially noticeable when offloaded from

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Breeders’ Cup Veterinary Report on George Washington

During the running of the Breeders’ Cup Classic Thoroughbred race, George Washington was injured and subsequently euthanatized. Following is a report from the Breeders’ Cup notes team from an Oct. 27 interview by Erin Wing with AAEP On-Call

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Churchill Downs Officials Hope EHV-1 Case Isolated

Officials at Churchill Downs say a case of equine herpesvirus (EHV-1) confirmed in one horse should have limited impact on the fall meet that begins Sunday, as long as the disease is contained.


The Kentucky Department of Agriculture on

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Indiana Man and 22 Horses Killed in Barn Fire

A late-night fire swept through a northern Indiana barn Oct. 25 killing a man and 22 horses he was hired to care for, police said.


John Lesniak, 60, died in the barn, which was fully engulfed in flames when police and firefighters arrive

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Cancer-Stricken Child to Get New Miniature Horse

A boy stricken with brain cancer could soon have a miniature horse to replace the one killed by a pair of pit bulls earlier this week, a Make-A-Wish Foundation official said Thursday.

The 34-inch-tall, 250-pound Appaloosa probably will arrive

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Gait Analysis During Lameness Rehabilitation

At the AAEP Blue-Ribbon Panel Research Meeting in Ft. Collins, Colo., on Aug. 1, 2007, Hilary Clayton, BVMS, PhD, MRCVS, Mary Anne McPhail Dressage Chair in Equine Sports Medicine at Michigan State University, presented her findings on

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