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

Anatomy and Physiology

This first article of a 12-part series on equine anatomy and physiology discusses basic terminology, the horse’s largest organ (his skin), and how horses and humans are alike (and different).

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Joints: It All Hinges on This

There are 205 bones in the horse’s skeleton, and the spot where one or more bones join is the joint. This installment of the anatomy and physiology series focuses on these critical areas of movement.

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The Horse’s Hind Legs: The Perfect Engine

No matter the breed or discipline, good conformation of the hind legs will contribute to more successful performance and a better ride. We want a horse to have excellent rear leg conformation so that it can tolerate the demands placed on it.

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Body Builders: Muscles

A horse’s conformation and muscle types can determine how well he can perform certain tasks, but all horses are subject to muscle injury and disease. In this article, we’ll take a look at how equine muscles function and are nourished.

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The Equine Digestive System: Food Factory

Understanding the equine digestive system can make your horse healthier and give you fewer worries about gastric upset. In this article, we’ll take a look at just how this “factory” is designed and how it functions.

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Mules Have Their Day in Tennessee

The much maligned mule is getting a day of celebration but will have to share the spotlight with a breed of even sorrier reputation–the politicians.

The Mule Day parade set for Saturday is the highlight of a six-day celebration honoring th

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New Zealand Tests Imports for Equine Flu

New Zealand biosecurity officials are retesting samples taken from horses imported directly from the United States to the Karaka quarantine facility due to conflicting test results that indicate the presence of equine influenza, the

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Surgery for Triple-Level Spinal Cord Compression

Spinal cord compression in the neck, more technically known as cervical vertebral stenotic myelopathy or CVSM, can cause notable incoordination and affects about 2% of racing Thoroughbreds. Probably the most well-known horse affected by CVSM was

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Reproductive Anatomy: Basics of Life

In this article on reproductive anatomy, we’ll take a look at the reproductive organs of both the mare and the stallion and discuss just how they function in their effort to produce another “miracle.”

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Readers Respond: Racehorse Awareness

More than 1,400 readers of TheHorse.com responded to a poll asking, “What do you think is the most pressing issue facing the welfare and safety of racehorses?


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Vaccines for Horses: Defending Against Disease

The idea of a vaccine is to get the immune system to mount a response against a pathogenic invader while saving the horse from suffering disease symptoms that at best are uncomfortable and inconvenient, and at worst are fatal.

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