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

igg in horses; 10-day-old Foal at Hospital Out for Sun

10 IgG Resources on TheHorse.com

Your horse needs a strong immune system to stand up to the challenges that come with living outdoors, commingling with other equids, and more. Critical to that immune system are infection-fighting proteins called antibodies (immunoglobulin G, or IgG). How much do you know about your horse’s IgG levels?

Read More
how cribbers learn; Dopamine and Horses: Learning

Cribbers Learn as Well as Noncribbers When Stress is Well-Managed

But, while the cribbers learned as well as the noncribbers, that doesn’t mean they’re the same as noncribbers when learning, researchers cautioned. They’re sensitive to stress and need particular attention to stress management, especially in a new environment, they said.

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?
90 votes · 90 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.