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Cover Story

Supporting Your Horse's Immune System

What does it take to optimize the equine immune response and fight off disease?

Also in this Issue

Rhodococcus equi Pneumonia: Rethinking Treatment to Fight Resistance
Skill, Science, and Sensitivity: Unpacking Horse Training Misconceptions
Rehabilitating the Neurologic EPM Horse
Building a Balanced Diet for Your Mare and Foal
Joint Health Matters: Top Therapies for a Successful Season
The Abscess Ruptured, But My Horse is Still Lame. Now What?
Understanding Horse Aggression
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Equine Hoof Care Teams at Work

Smart Manure Management for Small Horse Farms

Florida Mare Tests Positive for Strangles

2 Washington Horses Positive for Equine Influenza

EHV Case Confirmed in Utah

Managing Laminitic Pain in Horses: What’s New?

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Managing Your Performance Horse’s Joints

April 9, 2025

Understanding, Recognizing, and Managing Pain in Horses

March 20, 2025

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How Much Does It Cost to Own a Horse?

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

Promoting Longevity in Performance Horses

Everything You Need to Know About Laminitis in Horses

How to Feed Your Horse

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April 15, 2025

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Respiratory Problems

Subcategories:

Understanding Wry Nose in Foals

Kristi Gran, DVM, Dipl. ACVIM March 26, 2024

Learn why this congenital malformation occurs in foals and how veterinarians, owners, and breeders can treat and prevent it.

Strangles in Your Stables: Do’s and Don’ts

Christa Lesté-Lasserre, MA February 6, 2024

Here’s how to handle a strangles outbreak in your barn and prevent the disease in the future.

Supporting Your Horse’s Airways Through Nutrition

Anna Pesta Dunaway, PhD December 18, 2023

If your horse is living in an area with poor air quality, he might benefit from wet or steamed hay and omega-3 supplementation.

Horse Stall Cleaning Tips and Tricks

Haylie Kerstetter November 28, 2023

Learn how to choose the right bedding, effectively clean your horse’s stall, and protect his airways from ammonia. Sponsored by Sweet PDZ.

horses standing in stalls, barn doors and windows shut

Winter Horse Barn Ventilation

Morgan Hayes, P.E. October 19, 2023

One expert explains why closing your barn doors and windows during the winter might not be ideal for your horse’s health.

Helping Horses Cope With and Recover From Poor Air Quality

Stacy Pigott October 18, 2023

Poor air quality from wildfire smoke can be very dangerous for horses. An equine internal medicine specialist offers advice.

The Ins and Outs of Severe Equine Asthma

Stacey Oke, DVM, MSc August 23, 2023

Commonly known as “heaves,” equine asthma is a serious condition that requires proper diagnosis, management, and often treatment.

Managing Old Horses With Allergies

Haylie Kerstetter June 28, 2023

Dr. Aja Harvey explains why an old horse might suddenly become very itchy, and how owners can prevent it.

Fact Sheet: Allergies in Horses

Stacey Oke, DVM, MSc June 14, 2023

Veterinary intervention can make itchy horses more comfortable and keep allergies under control. Sponsored by Kinetic Vet.

Wildfire Season and Feeding Horses for Lung Health

Clair Thunes, PhD June 9, 2023

Smoky air makes breathing difficult and can exacerbate equine asthma. Learn how to support your horse’s respiratory health via nutrition and reduce airway irritants during fire season.

Equine Respiratory Biosurveillance: What Have We Learned?

Equine Disease Quarterly June 7, 2023

Since 2008 the University of California, Davis, School of Veterinary Medicine and Merck Animal Health have worked to cultivate a strong biosurveillance program.

Allergen Testing Detects Equine Asthma Best in Airway Lavage Fluids

Christa Lesté-Lasserre, MA April 26, 2023

Researchers have determined that testing bronchoalveolar lavage fluid might be the most accurate way to diagnose horses with equine asthma.

Respiratory Molecules Could Lead to Customized Equine Asthma Treatments

Christa Lesté-Lasserre, MA April 21, 2023

Researchers are working to find a way to individualize equine asthma treatment and are looking for more horses to participate in this study.

It’s a Lung Story: Equine Respiratory Conditions

Haylie Kerstetter April 20, 2023

Many respiratory conditions affecting horses cause similar signs, so it is vital for owners and veterinarians to pursue a diagnosis and create a treatment plan.