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

monensin-contaminated horse feed; monensin contamination; monensin contamination in horse feed; Study Evaluates Banned

FDA Warns Firms About Monensin Contamination in Horse Feed

The FDA warned Gilman Co-Op Creamery and Farmers/Ranchers Cooperative Association of Ainsworth about monensin contamination in horse feed they produced. Monensin is an animal drug approved for use in cattle, swine, and poultry that is highly toxic and potentially lethal to horses, even at relatively low levels.

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equine microchip look-up; Tracing Equine Microchips; equine microchip look-up tool

AHC Launches Equine Microchip Look-Up Website

The new equine microchip look-up tool will allow horse owners, law enforcement, animal health officials, and others to search for association affiliation for horses that have been microchipped and registered with a participating organization.

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how mare immune systems respond to breeding

How Mare Immune Systems Respond to Breeding

While some species develop a local immune response, sending special protective cells to the uterus itself, mares don’t, researchers learned recently. Rather, they appear to send those cells elsewhere as soon as semen enters the uterus. Where they go, nobody knows (yet).

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Toning Down Playtime

Toning Down Playtime

How can I make my horse a less attractive target for his pasturemate, who likes to tug at halters and fly masks?

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equine anatomy

Horse Garments Help Teach Equine Anatomy

The garments—depicting bones, muscle groups, and more—can help veterinary students, chiropractors, and even owners and riders better understand the structures hidden under horses’ skin, researchers said.

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