Recent News for Genetic Problems

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

Article

High-Protein Diet Okay for HYPP Horse?

November 01, 2010

I've heard high levels of protein would make a horse "hot." Is this true?... Read More

Article

Neuromuscular Disease Can Lead to Performance Issues

October 24, 2010

Neuromuscular diseases, which affect the function of muscles and the way they interact with the nervous system, can lead to performance issues, said Kelsey A. Hart, DVM, PhD, Dipl. ACVIM, internal medicine clinician and graduate fellow at the U... Read More

Article

Tying-Up: Current Diagnosis and Nutritional Management

September 22, 2010

Researchers estimate that three of every 100 performance horses will experience signs of tying-up.... Read More

Article

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

Article

Potential Biomarker for Tying-up Found

June 01, 2010

In an equine study using "proteomic" technology that systematically analyzed the proteins in skeletal muscle biopsies, a research team from The Netherlands identified a form of the protein creatine kinase that could be a marker for ac... Read More

Article

Twelve New Equine Fact Sheets Available From TheHorse.com

May 12, 2010

This week TheHorse.com has launched 12 free, handy Fact Sheets on topics of interest to hands-on horse owners. These are invaluable additions to the more than 30 widely acclaimed Fact Sheets that TheHorse.com launched in 2009...... Read More

Article

Nutrition Can Help Manage Tying-Up in Sport Horses

May 10, 2010

Thanks to advances in identifying specific causes of tying-up, development of diagnostic tests, and improved recognition of the impact of diet and exercise on horses that tie up, affected horses can be successfully managed. Stephanie Valberg, D... Read More

Article

Fatty Acid Triheptanoin Comes Up Short for Horses with PSSM

April 03, 2010

Triheptanoin does not appear to be a good fat supplement for polysaccharide storage myopathy (PSSM) horses.... Read More

Article

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

Article

Neonatal Isoerythrolysis: Foal Jaundice

January 06, 2010

Neonatal isoerythrolysis (NI) is caused by an incompatibility of blood types between a mare and her foal. If a foal inherits from its sire a red cell factor (antigen) that the mare lacks, the mare may develop antibodies to that antigen. There i... Read More

Article

Emerging Neurologic Syndromes Discussed at World Equine Vet Meeting

November 27, 2009

"The more we look for neurologic signs, the more we discover new syndromes," said I.G. Joe Mayhew, BVSc, FRCVS, PhD, Dipl ACVIM, ECVN, head of Equine Massey and professor of Equine Studies at Massey University in New Zealand, at the... 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

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

Common Variable Immunodeficiency in Horses, ACVIM 2009

August 27, 2009

Common variable immunodeficiency is a rare, but serious disease in adult horses that often leads to hospitalization, said Maria Julia Bevilaqua Felippe Flaminio, DVM, MS, PhD, Dipl. ACVIM, who presented research on the topic at the American... 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

PSSM Genetic Mutation Reported in Some UK Horse Breeds

June 18, 2009

Collaborative efforts between researchers on both sides of the Atlantic have identified that a genetic mutation in enzyme glycogen synthase 1 (GYS1) is an important cause of polysaccharide storage myopathy (PSSM, a form of... Read More

Article

Effects of Hay Carbs on PSSM Horses Examined

June 08, 2009

The study group's objectives were to determine if there is a difference in blood glucose and insulin response to feeding hay types with varying water soluble sugar and starch (NSC) content between horses with PSSM and control horses.... Read More

Article

UK Incidence of Polysaccharide Storage Myopathy Reported

May 21, 2009

Not only is polysaccharide storage myopathy (PSSM) a common and important muscular disorder in various horse breeds in the United States, but according to a recent research report, it is also a common diagnosis in horses in the Unite... 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

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

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

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