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Outbreak Alerts: November 18, 2025 – Equine Infectious Anemia in Riverside County, CA

Equine Herpesvirus- Neurologic

Confirmed Case(s) – Quarantine Released Source: California Department of Food and Agriculture Number Confirmed: 1; Number Exposed: 1; Number Euthanized: 1;  Horse 1: Age: 13; Gender: Gelding; Breed: Quarter Horse (QH); Horse Status: Euthanized;  Comments: A confirmed EIA positive equid must be euthanized or quarantined for life 200 yards away from any EIA negative equid as per USDA EIA program rules. Euthanasia was elected … Read More

When Every Minute Matters

colic
Mari, an eight-year-old Thoroughbred mare, at the Veterinary Teaching Hospital. Photo by Andrew Mann for Virginia Tech.

A Horse Owner’s Guide to Colic Recognition and Prevention The call came on a sweltering July morning. Mari, an eight-year-old Thoroughbred mare, was lying down in her paddock, pawing at the ground and showing clear signs of distress. For Rachael Carpenter, a faculty member at Virginia-Maryland College of Veterinary Medicine, the symptoms were unmistakable. “She was … Read More

Teton Horse Experience – March 13-15, 2025 – Rigby, ID

The Teton Horse Experience, now in its third year, this is more than just a horse expo focused on equine education; it’s a transformative event aimed at fostering connections and positive energy among riders and equine professionals.The goal is to improve not only horsemanship, but also personal well-being—physically, mentally, emotionally, … Read More

“Throw Away Horses”

Throw Away Horses

New Documentary Explores the Issue of Horses in Need Filmmaker Theresa Demarest’s exciting documentary feature “Throw Away Horses” made its world premiere in September 2025 at the Equus International Film Festival in Missoula, Montana. The film follows stories of brave horses and the people working tirelessly to help save them, … Read More

Help Us Celebrate 30 Years of The Northwest Horse Source!

Help us honor 30 years of The Northwest Horse Source—share how the magazine has touched your horse life. In December 1995, we printed our first 12-page, black-and-white issue and handed out 1,000 copies. Thirty years later, our mission is the same: practical, trustworthy help for horse people across the Northwest—and … Read More

Outbreak Alerts: November 03, 2025 Pigeon Fever in Ada County, ID

Equine Herpesvirus- Neurologic

Confirmed Case(s) – Voluntary Quarantine Source: Private Practitioner Veterinarian Number Confirmed: 1; Number Suspected: 1; Number Exposed: 1; Facility Type: Private Facility;  Horse 1: Age: 17; Gender: Gelding; Breed: Quarter Horse (QH); Usage: Pleasure Riding; Onset of Clinical Signs: 10/19/2025; Clinical Signs: Draining abscesses in left pectoral muscle and ventral abdomen; Confirmation Date: 10/27/2025; Horse Status: Recovering;  Horse 2: Age: 8; Gender: Gelding; Breed: Quarter Horse (QH); Usage: Pleasure Riding; Onset of Clinical Signs: 10/20/2025; Clinical Signs: Draining abscess on ventral abdomen; Horse Status: Recovering; See past … Read More

Outbreak Alerts: October 31, 2025 – Equine Herpesvirus- Respiratory AND Equine Influenza in Beaverhead County, Montana

Equine Herpesvirus- Neurologic

Equine Herpesvirus- Respiratory Source: Attending VeterinarianConfirmed Case(s) – Voluntary QuarantineNumber Confirmed: 5Number Suspected: 10Number Exposed: 75Comments: This is the same location as Alert ID 4692. Four horses are dually infected with Equine Influenza. Equine Influenza Source: Attending VeterinarianConfirmed Case(s) – Voluntary QuarantineNumber Confirmed: 4Number Suspected: 10Number Exposed: 75Comments: This is the same location as Alert ID: 4691. … Read More

Northwest Horse Source Magazine’s November 2025 Issue

November 2025

Explore the complete digital edition of the November 2025 The Northwest Horse Source Northwest Horse SourceThe Northwest Horse Source is an independently owned and operated print and online magazine for horse owners and enthusiasts of all breeds and disciplines in the Pacific Northwest. Our contemporary editorial columns are predominantly written by experts in … Read More

Metabolic Effects of Pro-Stride® APS and Triamcinolone Acetonide Compared in Recent Research

Results indicate that new regenerative joint treatments may be safer for a horse’s metabolic system than traditional corticosteroid injections PARSIPPANY, N.J. (August 7, 2025) — Zoetis Inc. announced findings from a recently completed study1 that compared the metabolic effects of a commonly used intra-articular corticosteroid – triamcinolone acetonide (TA) to those of Pro-Stride … Read More

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