EIPH: More Than a Nosebleed Exercise‑induced pulmonary hemorrhage, EIPH or “bleeding”, has been recognized for centuries. The true cause of this disease was misunderstood until modern diagnostic tools revealed that bleeding actually comes from the lungs, not the nose. For much of its history, the condition was understood as the rare and dramatic episodes of…

Chewing on Hay Research: Preparation, Delivery, and Horse Health Hay may look like the simplest part of a horse’s diet, but as University of Guelph professor Dr. Anna Kate Shoveller explains, it’s the foundation of equine health and far more complex than it appears. Horses are designed to graze for 14–18 hours a day, relying…

What Every Horse Owner Should Know As summer arrives, veterinarians and horse owners across Canada grow increasingly concerned about Potomac Horse Fever (PHF). Once rare, the disease is appearing more often in regions north of the U.S.  Potomac is now considered endemic in Ontario, Quebec, Nova Scotia, Manitoba, Alberta, and British Columbia. What Is Potomac…

Equine Guelph 2026 Research Annual – Volume 23 Equine Guelph’s 23rd Research Annual recaps impactful research from 2025, showcasing studies that advance equine health and welfare. Our feature article explores nephrosplenic entrapment and evidence supporting preventative surgical techniques for horses at risk of recurrence. Included in this feature is a video interview with Dr. Nicola…

Horse owners worry over recurring colic is justified When a horse suffers nephrosplenic entrapment, a specific type of displacement colic, the risk of it happening again can be elevated. For high-performance horses, that means more than pain and emergency bills; it can disrupt training schedules and competition plans. A preventative surgery called laparoscopic closure of…