Genetics

Article

Progress in Solving the Horse Genome Puzzle

March 24, 2005

Equine researchers around the world are gearing up for the sixth International Equine Genome Workshop, to be held in Dublin, Ireland, this summer. The meeting will allow participating scientists to move one step closer to achieving their... Read More

Article

HC/HERDA Research

February 13, 2005

In horses with HC, the skin separates between the deep and superficial dermis. There is no cure. A DNA test for carrier identification is not yet available, and therefore, managed breeding strategy is currently the only option for reducing the incide... Read More

Article

Is Arthritis Genetic?

November 01, 2004

Q: My 14-year-old Thoroughbred mare was diagnosed with arthritis about a year ago. She competed in low-level horse trials for about six years and only recently began to show signs of arthritis, but 14 seems to be a little young... Read More

Article

Fatal Genetic Quarter Horse Disease Identified

June 09, 2004

Glycogen branching enzyme deficiency in Quarter Horses might cause unexplained stillbirths/deaths of foals.... Read More

Article

Stallion Infertility and the Y Chromosome

May 04, 2004

Environmental factors, management, and genetics all play a part in determining a stallion's fertility. Bhanu P. Chowdhary, BVSc, AH, MVSc, PhD, associate professor in animal genomics at Texas A&M University's College of Veterinary Medicine,... Read More

Article

Feeding HYPP Horses

May 01, 2004

Hyperkalemic periodic paralysis (HYPP) horses need careful dietary management to reduce attacks.... Read More

Article

Joint Injections: A Good Idea?

May 01, 2004

Joint injections are a popular treatment used to help sport horses combat problems such as osteoarthritis.... Read More

Article

HERDA: Not Just Skin Deep

April 01, 2004

Today, it is primarily through Poco Bueno's bloodline that the recessive gene that causes hyperelastosis cutis (HC) has passed. In some scientific circles, the disease is called hereditary equine regional dermal asthenia (HERDA).... Read More

Article

AQHA Board of Directors Votes on Key Rule Changes at Convention

March 11, 2004

The American Quarter Horse Association Board of Directors voted Tuesday on the recommendations of the AQHA standing committees as approved in the general membership meeting. The following is the final results of the vote regarding hyperkalemic... Read More

Article

AQHA Statement on HC/HERDA

March 08, 2004

The American Quarter Horse Association's (AQHA) statement regarding hyperelastosis cutis (HC) or hereditary equine regional dermal asthenia (HERDA): 

1. AQHA is aware of the condition known as hereditary equine regional... Read More

Article

Inherited Quarter Horse Disease Traces To Poco Bueno

February 26, 2004

Poco Bueno was identified as the sire line associated with hereditary equine regional dermal asthenia (HERDA).... Read More

Article

Hereditary Disease Research Into HERDA

February 26, 2004

If we have any doubt about a horse with lesions that look like HERDA (also called HC), we can test to see if that animal does have this disease. Usually it's easy to diagnose, once you've seen a few.... Read More

Article

Junctional Epidermolysis Bullosa (JEB) in Belgian Draft Horses: AAEP 2003

February 17, 2004

Junctional epidermolysis bullosa (JEB) is an inherited disease that causes skin lesions over pressure points of the body in newborn Belgian foals and results in large areas of skin loss. The disease is a lethal condition and affected foals typically ... Read More

Article

The Future of Horses with HYPP

December 30, 2003

Letter to the Editor:

This letter must begin by saying how proud I am of a man whom I have never met.  His name is Steve Stevens of Houston, TX, the current president of the American Quarter Horse Association (AQHA).  Mr.... Read More

Article

Can Laminitis be Inherited?

October 01, 2003

Q: I just read your excellent article "The Latest on Laminitis" by Karen Briggs. Is laminitis an inheritable disease? What about founder?   ... Read More

Article

First Equine Clone is a Mule

July 01, 2003

The landscape of equine reproduction research dramatically changed May 29, when a University of Idaho (UI) and Utah State University team announced they were the first to clone a member of the equine family--the mule--according to an article to... Read More

Article

A Horse of a Different Color

May 01, 2003

What is your favorite color of horse? Is it the pitch black of Walter Farley's Black Stallion? The whiteness of the Lone Ranger's Silver? The sunshine gold of Roy Rogers' Trigger? How does a breeder capitalize on the fancy colors that bring big... Read More

Article

Heritability of Behavior

May 01, 2003

One of the most complex and least-studied subjects involving the horse is heritability of behavior. Do horses truly inherit behavioral traits, or do these traits simply come into being as the result of environmental factors and influences? There... Read More

Article

Cremello Gene Found

April 01, 2003

The researchers developed a molecular test to detect the cream gene in DNA found in the blood or hair. Guerin says the test will help owners identify heterozygous carriers of the gene (those able to pass on the cremello gene to offspring).... Read More

Article

Mare vs. Stallion Genes

April 01, 2003

Q: I hear people talking about how genetic lines all trace through the paternal side of the horse. What about the mares? What quality of foal would you get if you doubled on the maternal side, linebreeding (mating related... Read More

Article

AQHA Members Vote to Retain White Rule

March 17, 2003

More than 1,000 American Quarter Horse Association (AQHA) members attended the 63rd annual convention, where the organization’s board voted to retain Rule 227(c), which limits the amount of white on horses eligible for registration in the... Read More

Article

Genetic Defects Statement Issued by AAEP

March 11, 2003

The American Veterinary Medical Association (AVMA) recently re-stated a policy that surgical correction of “genetic defects” for the purposes of concealing the defect is unethical. If surgical correction is undertaken for the purpose of improvin... Read More

Article

Genetic Compatibility

January 28, 2003

Michael Goodbody is the managing director of Gainsborough Stud Management near Newbury, England. He delivered the following speech to the Thoroughbred Breeders Association (TBA) at its annual awards dinner in London on Jan. 7.

I would now... Read More

Article

Genetically Speaking

January 28, 2003

Ireland is not a big country. It covers only 32,599 square miles, making it about the same size as Indiana. But Ireland plays a large and important role in the Thoroughbred industry. Some of the best runners in the world are raised on its... Read More

Article

Genome Meeting Convenes

November 26, 2002

In October 2002, a meeting of the Interagency Working Group for domestic animal genome sequencing was convened at the USDA Whitten Building in Washington DC to discuss prioritization of domestic animal species for DNA genome sequencing. That suc... Read More