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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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Keeping Horses Sound in Their Teens

2 Equine Premises Quarantined in New Mexico for Presumptive VSV Cases

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Michigan Quarter Horse Contracts Strangles

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

June 15, 2026

Inside the Equine Gut Microbiome

May 29, 2026

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Parasite Control for Today’s Horses

Managing Your Performance Horse’s Joints

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Diagnosing and Treating Gastric Ulcers in Horses

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How Does Arena Footing Affect Equine Athlete Longevity?

July 8, 2026

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Subcategories:

Foal Immune Responses after WNV Vaccination, AAEP 2008

Les Sellnow June 21, 2009

Vaccinating 5-month-old foals with a single dose of West Nile virus chimeric vaccine in the presence of maternal antibodies to West Nile virus does induce a cell-mediated response (in the foal).

Articular Cartilage Maturation in Foals

University of Kentucky's College of Agriculture, Food, and Environment June 20, 2009

During a three-year study on articular (joint) cartilage maturation, researchers at the Gluck Equine Research Center used new genetic techniques to investigate how joint cartilage changes between newborn foals and young adult horses.

It is

Poll: Majority of TheHorse.com Readers Vaccinate Against WNV

Megan Arszman June 19, 2009

More than 1,270 readers of TheHorse.com responded to a poll asking, “Do you vaccinate for West Nile virus annually?”

AAEP Member Honored for Therapeutic Riding Horse Care

American Association of Equine Practitioners June 19, 2009

For the past 10 years, Richard Markell, DVM, has traveled every Wednesday afternoon to the J.F. Shea Therapeutic Riding Center in Orange County, Calif., about 75 miles from his own practice in Encinitas, Calif.

An AAEP member who has cared

Rachel Alexandra to Race for a Cure

Edited Press Release June 19, 2009

Rachel Alexandra, who last month became the first filly in 85 years to win the Preakness, will “race for a cure” for the remainder of her 2009 campaign. A $20,000 donation to a breast cancer nonprofit, the Susan G. Komen Race for a Cure, from th

U.K. to Investigate Environmental Impact of Equine Carcass Disposal

University of Kentucky College of Agriculture, Food, and Environment June 18, 2009

As with all large animals, disposal of horse carcasses in an environmentally safe manner requires planning and resources.

In June 2008 the USDA held a national forum to discuss the issue of the unwanted horse (

NTRA Safety Alliance Gives Delaware Park Accreditation

Edited Press Release June 18, 2009

The National Thoroughbred Racing Association announced June 17 that Delaware Park in Stanton, Del., has been fully accredited by the NTRA Safety and Integrity Alliance following a complete review of all racing operations at the facility.

PSSM Genetic Mutation Reported in Some UK Horse Breeds

Stacey Oke, DVM, MSc June 18, 2009

Collaborative efforts between researchers on both sides of the Atlantic have identified that a genetic mutation in enzyme glycogen synthase 1 (GYS1) is an important cause of polysaccharide storage myopathy (PSSM, a form of

AHC National Forum Tackles Equine Welfare Issues

Tom LaMarra June 17, 2009

Representatives of various equine breeds and disciplines found out June 16 they have a lot in common when it comes to the welfare and safety of horses.

The “Welfare of the Horse,” called the most inclusive program of its kind, was the sole

AAEP Issues ‘Best Practices’ for Purchase Exam Radiographs

Edited Press Release June 17, 2009

The American Association of Equine Practitioners’ Public Auction Task Force has developed recommendations regarding the use of radiographic reports as part of the prepurchase

Kentucky Horse Industry Rally Draws Nearly 1,000

Esther Marr June 17, 2009

Nearly a thousand people traveled to Kentucky’s state capitol in Frankfort June 17 to rally for a cause they have stood behind for years: to boost the horse racing industry by way of expanded casino gaming.

With a special session currently

Ontario Veterinary College Opens Isolation Unit

University of Guelph June 16, 2009

A new large animal isolation unit that sets the standard for patient housing and infection control opened May 25 at the University of Guelph’s Ontario Veterinary College (OVC).

Animals showing signs of infectious disease will

Researchers Track Body Condition, Metabolic Conditions by Discipline

Kentucky Equine Research Inc. June 16, 2009

The sport in which horses participate often dictates the body condition in which they are maintained. Polo ponies are typically sleek and trim, their fitness evident in a tight, tucked-up appearance. The same can be said of most racehorses.

Derby Contender Friesan Fire Recuperating from Surgery

Dan Liebman June 16, 2009

Friesan Fire, the favorite in this year’s Kentucky Derby, is recuperating nicely from surgeries to repair a hairline fracture and remove a bone chip, his co-owner said.

The 3-year-old colt is owned by Tom Simon’s Vinery Stables in

The Horse Partners with World Equine Veterinary Association

The Horse Staff June 16, 2009

An exciting education and outreach partnership has been formed between The Horse and the World Equine Veterinary Association (WEVA). The two groups will work together to educate veterinarians and other industry professionals about the

House Funding Bill Excludes Animal Identification System

Pat Raia June 16, 2009

The National Animal Identification System (NAIS) will receive no new funding under a 2010 spending bill proposed by the U.S. House of Representatives Agriculture, Rural Development, and FDA appropriations subcommittee. Chairwoman Rosa L. DeLauro