Genetics

Article

Polysaccharide Storage Myopathy (PSSM): Search for Underlying Causes Continues

October 06, 2008

Despite having recently identified a genetic defect that results in polysaccharide storage myopathy (PSSM) in many horses, the underlying cause of PSSM remains to be determined in others.... Read More

Article

Genetics of Contracted Foal Syndrome

October 05, 2008

When a foal is born with limb contractures preventing it from standing or walking normally, it is said to have contractures, or contracted foal syndrome (CFS). ... Read More

Article

Test Allows Arabian Breeders to Scan for Inherited Neurologic Disorder

September 23, 2008

Equine cerebellar abiotrophy is a debilitating neurologic disorder that affects Arabian horses.... Read More

Article

Genetic Mutation for Polysaccharide Storage Myopathy Widespread

September 20, 2008

Veterinary researchers from the University of Minnesota have identified a gene potentially responsible for polysaccharide storage myopathy (PSSM) in Quarter Horses and, in doing so, they uncovered a number of research leads to pursue. In a... Read More

Article

Clone of Show Jumper Gem Twist Born

September 16, 2008

A clone of champion show jumper Gem Twist is the newest addition to the stable of horses cloned by Cryozootech, a French company that banks equine genetic material. The company announced the clone's birth Sept. 15.

Gem Twist, a grey... Read More

Article

Shedding Light on Night Blindness in Appaloosas

August 31, 2008

Congenital stationary night blindness (CSNB) in Appaloosas has been linked to the leopard complex spotting in these horses. But how are these two apparently independent genetic... Read More

Article

AAEP's Walking Horse Directives Labeled Costly, Unrealistic

August 09, 2008

The American Association of Equine Practitioners' (AAEP) Tennessee Walking Horse Task (TWH) Force recommendations to eradicate the practice of soring drew strong reaction from Walking Horse industry members who label the directives costly and... Read More

Article

Focus on Equine Genetics: the Ol' Gray Mare

August 08, 2008

For more than 100 years, equine researchers have been examining why gray horses that are losing hair pigmentation are often concurrently affected by melanomas—tumors characterized by a massive production of the pigment melanin.

According... Read More

Article

Special Report: Racehorse Durability

July 24, 2008

In this exclusive report, The Blood-Horse investigates whether the Thoroughbred racehorse is as tough today as it was 30 to 40 years ago. Editors of The Blood-Horse recently sought the answer to this question by producing a... Read More

Article

AQHA Donates $50,000 to Genetic Research Fund

July 09, 2008

The American Quarter Horse Foundation recently donated $50,000 to Morris Animal Foundation (MAF) to advance equine health through MAF's Equine Consortium for Genetic Research (ECGR) project. The consortium includes 18 equine research institutes... Read More

Article

A Better Way?

July 01, 2008

Breeders willing to risk disease or injury for the traits they desire are at the heart of the problems we face today.

We've had bad news following bad news lately with the loss of some of the top horses in equestrian... Read More

Article

Summit Speakers Discuss Equine Reproductive Technology

June 05, 2008

Four speakers discussed advances in assisted reproduction to wrap up the session on the emerging science of horse breeding at the Kentucky International Equine Summit, held in Lexington, Ky., April 28-29. The speakers agreed that the key is not... Read More

Article

Genetic Concentration: Too Much of a Good Thing?

May 24, 2008

"For years we've taught the industry about reproduction, but we haven't taught about breeding," said Gary Carpenter, executive director of the American Quarter Horse Foundation during a roundtable at the International Equine Summit, held in... Read More

Article

First Foal Sired by Cloned Stallion Born

May 22, 2008

The first foal sired by a cloned stallion is now nearly a month old. The filly, named Pierazade du Vialaret, is the first get of stallion Pieraz-Cryozootech-Stallion, a clone of two-time World Champion endurance horse Pieraz.

The original... Read More

Article

Cataracts in Horses

May 06, 2008

Cataracts have been found to be heritable in Belgians, Morgans, Thoroughbreds, Rocky Mountain Horses, and Quarter Horses. In other instances, cataracts can develop secondary to trauma or due to chronic inflammation from uveitis (moon blindness).... Read More

Article

First Offspring of an Equine Clone Born in Italy

April 29, 2008

Prometea, the blazed Haflinger who gained notoriety in 2003 as the world's first horse clone, has given birth to a colt. Today the Laboratorio di Tecnologie della Riproduzione (LTR) in Cremona, Italy, announced the March 17 arrival of Pegaso, who... Read More

Article

Uveitis: Medical and Surgical Treatment

April 19, 2008

Equine recurrent uveitis (ERU) is like an autoimmune response, tending to be a dynamic process with shifts in immune reactivity that cause a waxing and waning of uveitis episodes.... Read More

Article

Carolina Horsemen Trying to Save Rare Breed

April 15, 2008

During centuries of isolation on the Carolina sea islands, the short-legged, sway-backed Marsh Tacky horses became perfectly suited for toiling long hours in the swamps and oppressive humidity.

But their wild looks and workhorse... Read More

Article

Polysaccharide Storage Myopathy: Blame It on the Genes

April 11, 2008

A genetic mutation in an enzyme called muscle glycogen synthase might be responsible for polysaccharide storage myopathy (PSSM)--a debilitating and life-threatening disease in horses characterized by abnormally high glycogen (the storage form of... Read More

Article

Campaigns Work to Keep Endangered Draft Breeds Viable

March 28, 2008

Suffering dramatic drops in numbers of registered animals, several European draft horse breed societies are coming up with targeted promotional campaigns in order to keep their breeds alive.

In England, the critically endangered Suffolk is... Read More

Article

Hitting the Road for Education

February 01, 2008

Take more than 1,000 veterinarians and veterinary students from around the globe, some armed with presentations representing thousands of hours worth of equine research, and add to it some tartan, bagpipes, and Scottish fare. Drop it all into a... Read More

Article

Retired Racehorses to Participate in Texas A&M Study

January 29, 2008

More than 100 horses currently being cared for by the Thoroughbred Retirement Foundation (TRF) will take part in a study at Texas A&M University that will attempt to identify genes in horses predisposed to fractures and catastrophic injuries... Read More

Article

The Genetics Revolution

January 13, 2008

Mapping the horse genome used to be a pie-in-the-sky type of wish for veterinary geneticists: Understanding the genetic makeup of the horse could help them unlock a plethora of equine health mysteries and improve horse care. It was a tough... Read More

Article

Curly Horse Farm Caters to Allergic Equestrians

January 05, 2008

Curly is on its way to becoming the fashion in France--not only in the hairdressers' salons, but in the stables, including a new equestrian center just north of the Riviera.

Since 2000, American Bashkir Curly breeding farms have been popping u... Read More

Article

Study: Light-Colored Horses at Higher Risk of Dying from West Nile Virus

January 03, 2008

Researchers at the Western College of Veterinary Medicine in Saskatchewan, Canada, recently published a study indicating that light-colored horses diagnosed with West Nile virus (WNV) might be more likely to succumb to the disease than their... Read More