Genetics

Article

Coat Color Studies Aid Health Research, Breeding Choices

September 21, 2009

Certain horse coat colors or patterns are associated with health or medical problems.... Read More

Article

Animal Genetic Testing and Research Lab Benefits Horse Owners

September 15, 2009

Established in 1986 as the Horse Bloodtyping Laboratory, the University of Kentucky Animal Genetic Testing and Research Lab (AGTRL) offers a number of testing services of value to practitioners, horse owners, and breed registries.

After... Read More

Article

Studies of Hereditary Traits in Horses Using New Tools

August 15, 2009

The horse industry in the United States is diverse. Horses are used for racing, competitive riding, showing, recreational riding, and working cattle. Today the number of horses in the United States is estimated at 9.2 million, down from 21... Read More

Article

Thoroughbreds Could Contribute to Human Diabetes Research

August 10, 2009

Not only can Thoroughbreds provide hours of entertainment for racing enthusiasts, they could also play an invaluable role in understanding obesity and Type 2 diabetes in humans, reports a group of Irish researchers.

"Over the past 400... Read More

Article

Equine Study Shows Genetic Abnormalities Cause Infertility

August 07, 2009

DNA-based assays have enabled researchers to look at reproductive disorders from a genetic standpoint. ... Read More

Article

Equine Veterinary Group Releases Statement on Genetic Defects in Horses

August 04, 2009

This is the 2009 Statement on Genetic Defects released by the American Association of Equine Practitioners. It was approved in July 2009.
 
Congenital Defects

Congenital defects include all... Read More

Article

Endangered Przewalski's Horse Foal Born at Conservation Center

July 16, 2009

A Przewalski's horse foal was one of three rare animals born the evening of July 9 at the Smithsonian National Zoological Park Conservation and Research Center (CRC) in Front Royal, Va. On the same night, the Park also welcomed a clouded leopard cu... Read More

Article

Riders Seek to Circle Globe, Collect DNA Samples

June 23, 2009

Two riders setting off on a journey around the world are also looking to compile the world's first complete equine genetic library through the unprecedented application of "crowd-sourcing." Every horse owner is encouraged to participate by sending... Read More

Article

Articular Cartilage Maturation in Foals

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... Read More

Article

Cataracts in Foals

May 23, 2009

Horses can be born with cataracts due to developmental or heritable causes--known as congenital cataracts. Foals with cataracts often present very early in life, usually at 1 to 2 months of age. Typically, the owners will notice the whiteness in... Read More

Article

Esophageal Problem Hereditary in Friesians?

May 07, 2009

Megaesophagus, a chronic dilation of the esophagus, appears to occur at an atypically high rate in Friesians.... Read More

Article

Early Embryonic Loss and Genetics

April 22, 2009

Chromosomes are large segments of DNA wound around special proteins within each cell's nucleus. They contain nearly all of the body's genetic material. Horses have 64 chromosomes (or 32 pairs) including the two sex chromosomes (XY in males and X... Read More

Article

Big Horse? Small Horse? Help Scientists Study Size Genes

April 02, 2009

What makes your horse different from the horse in the next stall? Why doesn't a Kentucky Derby contender walk like a Budweiser Clydesdale? Why don't either of them look like Read More

Article

Polysaccharide Storage Myopathy (PSSM): A Genetic Diagnosis, AAEP 2008

March 13, 2009

Polysaccharide storage myopathy (PSSM) is a metabolic muscle problem found in at least 20 breeds, including Quarter Horses, Paints, Appaloosas, and drafts. An affected horse suffers bouts of exertional rhabdomyolysis (tying-up), muscle tremors... Read More

Article

DNA Testing for Twins (AAEP 2008)

March 03, 2009

Tissues from both the recipient and donor mare, as well as from the two stillborn foals, were submitted for microsatellite analysis. The analysis verified that the foals had identical genotypes and resulted from the transferred embryo.... Read More

Article

Lavender Foal Study Needs Participants

March 02, 2009

Researchers at Cornell University announced plans to conduct a new study focused on Lavender Foal Syndrome/Coat Color Dilution Lethal (LFS/CCDL). The project, led by Samantha Brooks, PhD, and in collaboration with Doug Antczak, VMD, PhD, and Don... Read More

Article

Arabian Horse Association Establishes Task Force On Genetic Diseases

February 28, 2009

The Arabian Horse Association (AHA) of Aurora, Colo., has established an Arabian Horse Association task force on genetic diseases. The task force was created under the direction of and announced by AHA President Lance Walters.

"The... Read More

Article

Equine Researchers Close to Identifying Genetic Mutations

February 12, 2009

The international Equine Consortium for Genetic Research (ECGR), established by Morris Animal Foundation (MAF), is making major inroads into determining the locations of genes that cause specific disease traits in horses. The ECGR is a worldwide... Read More

Article

AQHA Welfare Group Releases Plans for Racing, Breeding, Shows

January 19, 2009

The American Quarter Horse Association's Executive Committee has approved recommendations from the Animal Welfare Assurance Task Force, and the association is moving forward to implement the suggestions.

The association's main objectives ar... Read More

Article

$60,000 White Colt Will Be Resold

January 17, 2009

Florida-based pinhooker Christy Whitman bought what she thought was a unique yearling during the fifth session of the Keeneland January horses of all ages auction, and she's hoping that shoppers at a future sale will be attracted by his white... Read More

Article

Dam Wins Battle of the Sexes to Protect Foal

December 29, 2008

After witnessing a rare (and unsuccessful) infanticide attack by a stallion on a one-hour-old foal, behavior researcher Meeghan Gray, PhD, from the University of Nevada, Reno, reported findings from the macabre event.

"In this first report... Read More

Article

Test Reveals Arabian Sire as Carrier of Neurologic Disorder

December 15, 2008

An Arabian horse breeding operation announced a stallion is a carrier of cerebellar abiotrophy. ... Read More

Article

Equine Guelph Offers Genetics Course

November 25, 2008

Equine Guelph is offering a new online course in equine genetics. The 12-week course will provide the tools, techniques, and knowledge necessary to develop an understanding of the important role that genetics plays in the equine industry.... Read More

Article

Scamper Clone Offered for Commercial Breeding

November 15, 2008

A carbon copy of one of the world's most successful barrel horses has become the first clone to be offered at stud in the United States.

"Clayton" is the clone of the AQHA gelding Gills Bay Boy, or Scamper, as he is better known. Scamper an... Read More

Article

Silver Dapple Color and Eye Abnormalities Connection Found

November 13, 2008

For many years, veterinarians and horse owners have described the collection of eye anomalies associated with silver dapple color as anterior segment dysgenesis (ASD), because of the apparent similarities to anterior segment lesions ... Read More