Breeding and Reproduction

Horse breeding from planning through foal care

New Product Reduces Herpesvirus Clinical Signs

Pfizer Animal Health on Feb. 8 announced the release of Zylexis, which according to the company’s research prepares the horse’s immune system to function more efficiently against equine herpesvirus (EHV) types-1 and -4 pathogens. The

Read More

Final Kentucky Racetrack Released From Quarantine

Equine herpesvirus quarantines at two Kentucky Thoroughbred facilities were released, ending the recent outbreak of the neurologic disease. Robert Stout, DVM, Kentucky state veterinarian, lifted the quarantine at Turfway Park in Florence on Feb.

Read More

Michigan Veterinarian Describes Neurologic Herpes Case

A 3-year-old Standardbred mare suffering from signs of neurologic disease tested positive for equine herpesvirus type-1 (EHV-1) and was euthanatized at the Allegan County Fairgrounds in Allegan, Mich., on Jan. 18. The horse had been shipped in

Read More

Pimlico Quarantine Lifted

The Maryland Jockey Club (MJC) lifted its self-imposed quarantine on Pimlico Race Course this morning (Feb. 8), allowing horses from the Baltimore track to compete at Laurel Park in Laurel, Md., for the first time since Jan. 21. Twelve

Read More

Maryland Trainers Holding Their Breath

For more than a week, Maryland Jockey Club (MJC) chief operating officer Lou Raffetto said he could “see the light at the end of the tunnel” regarding the ongoing battle with equine herpesvirus.


There was some light Feb. 3, when Laurel

Read More

Genome Sequencing

In 1991, Eliane Marti, Dr. Med. Vet., published a study as a graduate student in Switzerland, showing that chronic hypersensitivity bronchitis (a.k.a. heaves) had a strong hereditary component among Swiss horses. She meticulously defined the

Read More

MRLS Update

“We can prevent mare reproductive loss syndrome (MRLS) as we experienced in 2001 and 2002 by keeping horses away from caterpillars,” said Bruce Webb, PhD, a University of Kentucky (UK) researcher who has been studying the condition that

Read More

Semen Collecting from a Blind Stallion

We have a Standardbred stallion that had a minor neurologic episode a few months ago that was never really figured out. He has recovered slowly back to normal, except that he has gone completely blind. He does well at pasture and you would hardl

Read More

Dealing with Dummy Foals

At first, everything seems fine: Your foal was born without incident and started nursing as he should. But two days later, the baby quit suckling and began acting strangely–wandering around and pressing his head against the stall wall. Your

Read More

Cornell Researcher Warns About Herpesvirus

Klaus Osterrieder, DVM, DVM Habilitation (German equivalent to a PhD), an associate professor of virology at Cornell University in Ithaca, N.Y., studies equine herpesvirus type-1 (EHV-1). He shared his views with The Horse on recent

Read More

Growing Problems

Horse breeders have long known that problems can develop in the bones of young horses as they grow. The term developmental orthopedic disease (DOD) was coined in 1986 to encompass all orthopedic problems seen in the growing foal and has become

Read More

Can Immunomodulators Help Herpesvirus Victims?

Human and animal scientists have been researching ways to stimulate the immune system in order to prevent or mitigate disease, especially just prior to or during stressful events. Options include vaccination, antimicrobial therapy, and

Read More

Five Horses Test Positive for Equine Herpesvirus

As 2005 neared its end, equine herpesvirus type-1 (EHV-1) killed two horses that were stabled at Turfway Park, a Northern Kentucky racetrack. The victims–one Thoroughbred in training and a lead pony–were euthanatized after they developed the

Read More

Pregnant Mares

The mare from which you have always wanted to raise a foal has just been pronounced pregnant by your veterinarian. Now you just have to wait about 11 months and see what she produces, right? Not so fast! There is much more involved than just

Read More

More From The Horse

be5fd57e-adca-4977-a36a-ca1475847ee1
horse nose snout nostril detail close animal equine pont
horse in arena with cones
pouring supplement into grain

Stay on top of the most recent Horse Health news with

FREE weekly newsletters from TheHorse.com

Weekly Poll

sponsored by:

Which best describes your horse’s behavior when you turn him out?
80 votes · 80 answers

Create a free account with TheHorse.com!

The Horse
Privacy Overview

This website uses cookies so that we can provide you with the best user experience possible. Cookie information is stored in your browser and performs functions such as recognising you when you return to our website and helping our team to understand which sections of the website you find most interesting and useful.