Nancy Diehl, VMD, MS

Prior to attending veterinary school, Dr. Nancy Diehl completed a master’s degree in animal science while studying stallion sexual behavior. Later, she completed a residency in large animal internal medicine at the University of Pennsylvania’s New Bolton Center and worked in equine practices in Missouri and Pennsylvania. Diehl also spent six years on faculty at Penn State, where she taught equine science and behavior courses and advised graduate students completing equine behavior research. Additionally, Diehl has co-authored scientific papers on stallion behavior, early intensive handling of foals, and feral horse contraception. Currently she is a practicing veterinarian in central Pennsylvania.

Articles by: Nancy Diehl, VMD, MS

orphan foal behavior; UK to Host 2018 Equine Showcase

Orphan Foal Behavior

An equine behavior expert offers advice on raising and training an orphan foal to reduce future unwanted behaviors.

Read More
Why Does a Horse Lie Down?

Why Does a Horse Lie Down?

Find out about equine sleep patterns from an equine behavior expert, and learn how to tell if the amount of time your horse spends lying down is normal.

Read More
How to Introduce Horses

How to Introduce Horses

An equine behavior expert and veterinarian shares recommendations for introducing horses that will live together.

Read More

More From The Horse

Horse in a stall
CrossCountry_FEI-LibbyLawPhotography
Advancements in Understanding Genomics and Horses
horse nose snout nostril detail close animal equine pont

Stay on top of the most recent Horse Health news with

FREE weekly newsletters from TheHorse.com

Sponsored Content

Weekly Poll

sponsored by:

Do you regularly give your horse antioxidant supplements (like vitamin E or selenium)?
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.