Topics

Breeding and Reproduction

Horse breeding from planning through foal care

Hoof Care

Prevention and treatment for problems of the equine foot

Nutrition

Proper feeding practices for foals, adult horses, and older horses

Welfare and Industry

Discussions about the welfare of our equine friends

Diseases and Conditions

Horse-heath-problem risk factors, prevention, diagnosis, and treatment

Horse Care

How to care for the basic health needs of horses

Sports Medicine

All aspects of caring for performance horses

All Topics

Farm and Barn

Design and maintain a healthy horse operation

Lameness

Prevention, diagnosis, and treatment of leg lameness

Vet and Professional

News and issues for equine health professionals
Magazine
Cover Story

When Heat Becomes Dangerous for Horses

How horses maintain their body temperature and how to respond when heat puts those systems under strain.

Also in this Issue

Stopping Disease Before it Spreads
Caring for Horses When Disaster Strikes
Why the Equine Gastrointestinal Microbiome Matters
Lessons Learned From a Rare Cause of Equine Headshaking
Feeding Horses During Travel
Keeping Horses Sound in Their Teens
Digital Edition

Give a Gift

Subscribe

Manage My Subscription
News

Latest News

Does My PPID Horse Need to Retire?

Feeding Frequency in Horses: How Many Meals is Enough?

10 Things to Consider When Managing Back Pain in Horses

2 Potomac Horse Fever Cases Confirmed in Tennessee

EHV-1: Understanding the Disease and Reducing the Risk

3 Nevada Horses Euthanized After Testing Positive for EIA

More News

Disease Alerts

EDCC Health Watch

Event Coverage

2026 ACVIM Forum
2025 AAEP Convention
2025 ESS Symposium
Features

Latest Features

Equine Vaccinations for Year-Round Protection

August 18, 2026

Update: EPM in Horses

August 4, 2026

Additional Features

Dealing With Equine Colic: Here are 33 Do’s and Don’ts

Inside the Equine Gut Microbiome

Parasite Control for Today’s Horses

Managing Your Performance Horse’s Joints

Equine Asthma

All Features
Q&As

Latest Q&A

Signs of Dehydration in Horses

August 24, 2026

Q&As

Equine Behavior

Animal behavior experts field your questions about why your horse does XYZ.

Horse Nutrition

Equine nutritionists respond to queries about forage, grain, supplements, and other related topics.

Performance Horse Health

Veterinarians and researchers tackle questions about equine athletes.
Visuals

Featured Media:

EHV-1: Understanding the Disease and Reducing the Risk

Building a Healthy Relationship With Your Veterinarian

Quick Links

Webcasts

Infographics

Slideshows
Podcasts

Featured Podcasts

Does My PPID Horse Need to Retire?

Managing Asthma in Horses

Podcasts

Ask 'TheHorse' Live

The Horse’s experts answer your questions during a monthly live audio event.

Equine Innovators

Join us as we interview leading equine researchers.

Feeding Horses

Every month The Horse has an in-depth conversation with a respected equine nutritionist or veterinarian about a topic important to horse owners and professionals.

All Podcasts
Free Reports

Fact Sheet: Pituitary Pars Intermedia Dysfunction (PPID)

Fact Sheet: Equine Protozoal Myeloencephalitis (EPM) in Horses

Free Reports:

View All Free Reports

Quick referenced of horse conditions, diseases and health topics

Forms

Checklists and identification forms for horse owners
Tools

Horse Feed Cost Calculator

Mare Gestation Calculator

Adult Horse Weight Calculator

Additional Resources

Horse Health Glossary

Get-A-DVM

New Products

Polls

TheHorse.com en Español
StableManagement.com

Lisa A. Fortier, DVM, PhD, Dipl. ACVS

Lisa A. Fortier, DVM, PhD, Dipl. ACVS, is a professor of Large Animal Surgery at Cornell, University’s College of Veterinary Medicine in Ithaca, New York, where her research interests include arthritis, stem cells, and tendonitis.

Articles by: Lisa A. Fortier, DVM, PhD, Dipl. ACVS

Osteoarthritis Versus Arthritis: What's the Difference?

Osteoarthritis Versus Arthritis: What’s the Difference?

Lisa A. Fortier, DVM, PhD, Dipl. ACVS December 9, 2015

What’s the difference between osteoarthritis and other types of arthritis?

More From The Horse

riding horse on gravel path

Does My PPID Horse Need to Retire?

horses-grazing-in-tall-grass

Feeding Frequency in Horses: How Many Meals is Enough?

Teaching a Horse to Stand Still at the Mounting Block

10 Things to Consider When Managing Back Pain in Horses

Ausblick

2 Potomac Horse Fever Cases Confirmed in Tennessee

Stay on top of the most recent Horse Health news with

FREE weekly newsletters from TheHorse.com

Sponsored Content

Weekly Poll

sponsored by:

Readers’ Most Popular

Top Categories