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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
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3 Nevada Horses Euthanized After Testing Positive for EIA

5 Utah Horses Test Positive for WNV

Wisconsin Horse Tests Positive for EHV-4

Managing Asthma in Horses

Feeding Horses: Addressing Anhidrosis

Wyoming Horse Tests Positive for West Nile Virus

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2026 ACVIM Forum
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Equine Vaccinations for Year-Round Protection

August 18, 2026

Update: EPM in Horses

August 4, 2026

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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

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Signs of Dehydration in Horses

August 24, 2026

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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.
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Building a Healthy Relationship With Your Veterinarian

EHV-1: Understanding the Disease and Reducing the Risk

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Fact Sheet: Pituitary Pars Intermedia Dysfunction (PPID)

Fact Sheet: Equine Protozoal Myeloencephalitis (EPM) in Horses

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Dr. Jim Schmacher/Veterinary Surgery

Articles by: Dr. Jim Schmacher/Veterinary Surgery

Timing of Gelding

Dr. Jim Schmacher/Veterinary Surgery February 12, 2013

Is there any loss of body size or development from early gelding?

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