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

Bone Chips: When the Chips Are Down

In the case of bone chips, sometimes bigger is better. In a study performed in 2006, researchers from the University of Pennsylvania’s New Bolton Center theorized that bone chip characteristics in a horse’s knees were an indicator of the severity of

Read More

Bumps and Bangs of Life

It looked bad. My daughter Barbara and a college friend purchased a 2-year-old registered Quarter Horse filly (Casey) last year that had 30 or so days of training on her. They wanted to give the filly some additional training in order to sell her

Read More

Internal Insights

Veterinary internal medicine is a growing specialty that boasts nearly 400 large animal internal medicine specialists, many of them focusing on horses. In a time when humans seek out experts in varying medical fields, it’s only logical that we seek

Read More

The Equine Digestive System: A Food Factory

The equine digestive system is a complicated factory that is designed to process small amounts of food frequently and convert them into nutrients that can be absorbed and produce energy. The same, concerning the end result, could be said of the cow

Read More

Clues to Blue Eyes

Now that the foal has safely made its way into the world, the breeder starts inventorying exactly what she has in front of her: a colt. Strong Quarter Horse body. Three small white socks and a broad blaze down the center of his face. One blue eye.

Read More

Bad to the Bone

While bone infections don’t automatically end with euthanasia, they can be difficult to treat.

Read More

The Straight Dope

Is post-event drug testing becoming too sensitive, netting too many innocent violators? Are drug withdrawal guidelines for therapeutic medications too unreliable to be useful? Or are policies and tests being fine-tuned in a sensible manner in order

Read More

Where Are All the Vets?

The caller is in the midst of a terrible dilemma. It is 8:30 on a rainy, November night. The weatherman is calling for the roads to freeze up. This poor woman’s horse is colicking, and her “regular” veterinarian won’t even return her phone calls.

Read More

Home Sweet Barn

Change has been constant in the equine industry during the past couple of decades, ranging from sophisticated health care and treatment to improved living quarters for horses in our care, custody, and control.

When the horse was the prime

Read More

Officials Break Ground for Minnesota Equine Center

A pair of bay Percherons turned the soil at a construction site in St. Paul, Minn., on Aug. 9 and ushered in a new era of equine diagnostics and treatment at the University of Minnesota’s College of Veterinary Medicine (CVM). University official

Read More

Equine Sports Massage 101

Your horse is yawning profusely, licking, chewing, and gradually lowering her head. Her eyes slowly glaze over, as her lower lip becomes slack. Is this the effect of drugs? No, this apparent sedation is the effect of skilled bodywork. It’s a result

Read More

Equine VS Cases Confirmed in Wyoming

On Aug. 17, the Wyoming State Veterinary Laboratory announced the first confirmed U.S. case of vesicular stomatitis (VS) in 2006. The primary case, a 10-year-old horse, is located near Casper in Natrona County. A second case was confirmed a few day

Read More

Animal Health Trust to Install Standing MRI

The Animal Health Trust in Newmarket, England, has announced that it will be acquiring a standing magnetic resonance imaging (MRI) unit to expand its equine diagnostic capabilities.


“In 2000, a high-field MRI scanner was installed at th

Read More

Cardiac Arrhythmias and Piroplasmosis

Italian researchers have documented a rare case of cardiac arrhythmia in a horse with piroplasmosis. While it had been noted in other domestic animal species, equine cardiac dysfunction associated with piroplasmosis had not appeared in the

Read More

More From The Horse

Horse in a Stable Box
overweight chestnut horse grazing in field
senior horse; old horse; old; senior; keeping senior horses happy
060_thehorse-vet_2025

Stay on top of the most recent Horse Health news with

FREE weekly newsletters from TheHorse.com

Sponsored Content

Weekly Poll

sponsored by:

What is your biggest challenge when caring for horses in hot weather?
85 votes · 85 answers

Readers’ Most Popular

The Horse
Privacy Overview

This website uses cookies so that we can provide you with the best user experience possible. Cookie information is stored in your browser and performs functions such as recognising you when you return to our website and helping our team to understand which sections of the website you find most interesting and useful.