Hyperelastosis Cutis & HERDA
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AQHA Offers Genetic Disease Panel Test
The test will screen for five potentially fatal genetic diseases often found in Quarter Horses.
Photo by Ann Rashmir-Raven, DVM, MS, Dipl. ACVS
Article
What's In Your Horse's DNA?
Geneticists have created tools and tests that enhance horse breeders' ability to select for healthy foals.
Photo by Anne M. Eberhardt
Article
Exertional Muscle Disorders Topic of 2012 Milne Lecture
June 05, 2012
Stephanie Valberg, DVM, PhD, is the first female to deliver the Milne State-of-the-Art Lecture.... Read More
Article
AQHA Offers Genetic Disease Panel Test
February 06, 2012
The test will screen for five potentially fatal genetic diseases often found in Quarter Horses.... Read More
Article
Genetic Testing Options Expanded for APHA Horses in 2012
January 01, 2012
Testing options include a comprehensive coat color package and a comprehensive disease diagnostic package.... Read More
Article
UC Davis to Partner with APHA for Genetic Testing
July 25, 2011
The APHA has introduced the University of California, Davis, as its official genetic testing provider. ... Read More
Article
Heritable Equine Skin Disorders
May 11, 2011
Some skin conditions in horses are caused by fungus and bacteria, while others are caused by external factors ... Read More
Article
HERDA: Preventing The Heartbreak
December 08, 2010
Part 3: Robin Davison "did everything right" when she bought her registered Paint mare Quality Sensation (aka Penelope), including scheduling a prepurchase exam. Penelope's HERDA was undiagnosed then, but Davison says in hindsight there were signs ... Read More
Article
What's In Your Horse's DNA?
December 01, 2010
Geneticists have created tools and tests that enhance horse breeders' ability to select for healthy foals.... Read More
Article
HERDA: A Daily Struggle
November 18, 2010
Horses afflicted with the skin disease hereditary equine regional dermal asthenia (HERDA, also called hyperelastosis cutis or HC) can develop external lesions from a variety of environmental factors. This includes everything from sunlight to co... Read More
Article
When HERDA Strikes
November 01, 2010
A diagnosis of hereditary equine regional dermal asthenia (HERDA), or hyperelastosis cutis (HC), is frequently a grim one for horse owners. The hereditary skin disease that affects some stock horse breeds can result in isolation and skin lesions for... Read More
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Ocular Disease in Horses with HERDA: Study
August 10, 2010
In an eye-opening event, Mississippi State University researchers discovered that Quarter Horses diagnosed with the disease called hereditary equine regional dermal asthenia (HERDA) not only have skin defects but also important eye abnormalitie... Read More
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HERDA: Skin Characteristics
March 08, 2010
Horses with the hereditary skin disease known as hereditary equine regional dermal asthenia (HERDA) or hyperelastosis cutis (HC) have been recognized since the 1970s, but only recently have researchers defined just how much weaker their skin is... Read More
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Miscellaneous Sessions: HERDA, Lawsonia, Castration, and More
March 08, 2010
Miscellaneous sessions at the 2009 AAEP Convention, including HERDA, castration complications, and more.... Read More
Article
Genetic Diseases in Horses Reviewed for World Equine Vets
October 31, 2009
While genetic diseases exist in a number of horse breeds, many researchers have focused expressly on issues occurring in the Quarter Horse breed. Thanks to their efforts, genetic tests for several disorders specific to this breed are now... 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
HERDA: DNA Tests Available for Disfiguring Skin Disease
May 28, 2007
Scientific research has scored another significant victory in the equine world. Two DNA tests are now available to detect carrier status for hereditary equine regional dermal asthenia (HERDA), also known as hyperelastosis cutis (HC). Today... Read More
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More Than Skin Deep?
April 01, 2006
It was two years ago--in April of 2004--that this magazine published the announcement that the Poco Bueno Quarter Horse sire line had been identified as carrying the recessive gene that causes hyperelastosis cutis (HC, also known as hereditary... Read More
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Equine Genetic Disease: Who's At Risk?
October 01, 2005
Many DNA sequence variations are fine; they just give rise to the broad spectrum of colors, sizes, and other characteristics we see in the horse population. Some variations, however, cause problems. These might range from a genetic predisposition... Read More
Article
AAEP Convention 2004 Wrap-Up: Medicine/Treatments
March 03, 2005
Equine Malignant Hyperthermia We've all heard of people and animals that are "sensitive" to anesthesia. Monica Aleman, MVZ, PhD, Dipl. ACVIM, head of the neuromuscular disease lab at the University of California, Davis, reported on a... 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
HC/HERDA Update; Owners of Carrier Stallions Notified
May 17, 2004
Approximately 100 Quarter Horse stallion owners have received, or will receive, a message that the stallion is a carrier of the recessive gene that causes HC, also known as hereditary equine regional dermal asthenia (HERDA).... Read More
Article
HC/HERDA In the News
May 01, 2004
I'm amazed at some of the angry reactions that followed our publication of a news item last month on a hereditary disease called hyperelosis cutis (HC) or hereditary equine regional dermal asthenia (HERDA). Some of the researchers involved--Ann... 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 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
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Miscellaneous Sessions: HERDA, Lawsonia, Castration, and More
