Polysaccharide Storage Myopathy (PSSM)

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

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Kester News Hour

March 17, 2009

Top 2008 equine studies include lawsonia, EPM, heart murmurs, etc., at the AAEP Convention.... 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

Diagnosing Muscle Soreness

June 01, 2008

Last year my 18-year-old Quarter Horse mare became very sensitive to touch on her back and hindquarters. ... Read More

Article

Muscle Disorders in Warmbloods Easily Diagnosed through Biopsy

April 16, 2008

Owners of Warmbloods with debilitating--or sometimes just plain baffling--muscle disorders can get useful and reliable answers about their horses' conditions through a relatively simple muscle biopsy. So say University of Minnesota researchers,... 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

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Body Builders: Muscles

April 04, 2008

Part of the equine anatomy series, see how equine muscles function and are nourished as well as some problems.... Read More

Article

2007 Morris Animal Foundation Equine Research Wrap-Up

December 14, 2007

The results of equine research funded by the Morris Animal Foundation (MAF) in 2007 added to scientists' understanding of foal pneumonia, hereditary muscle disorders, laminitis, and pharmacology.

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Article

New Research on PSSM Prevalence, Heritability in Progress

October 04, 2007

Researchers with the University of Minnesota have identified polysaccharide storage myopathy (PSSM) in 6-12% of overtly healthy Quarter Horses on six farms involved in a new study. They also said the disease could be more common within certain... Read More

Article

Morris Animal Foundation Funding 11 Equine Studies in 2008

September 25, 2007

In 2008, the Morris Animal Foundation (MAF) will fund about 120 animal health studies, including 11 new and continuing studies for horses. Equine enthusiasts are invited to sponsor or co-sponsor one of these studies with a total gift of $3,000 o... Read More

Article

Polysaccharide Storage Myopathy

July 09, 2007

Stephanie Valberg, DVM, PhD, professor of large animal medicine and director of the University of Minnesota's Equine Center discussed PSSM at the AAEP Convention 2006. The disorder causes muscle pain, stiffness, and cramping, and some horses... Read More

Article

Diagnostic Approach To Equine Muscle Disorders

July 07, 2007

Stephanie Valberg, DVM, PhD, professor of large animal medicine and director of the University of Minnesota's Equine Center, began the in-depth seminar on muscle disorders by discussing diagnosis of muscle disorders, beginning with a careful... Read More

Article

Polysaccharide Storage Myopathy Discussion Planned at SmartPak Store

June 14, 2007

Most horse owners are familiar with the term "tying up," which describes the pain and cramping of a horse's muscles with exercise. Veterinarians refer to this condition as exertional rhabdomyolysis, and now recognize a specific type known as... Read More

Article

Finding and Testing Low-Sugar Forage

May 14, 2007

Did the brown, stemmy, overmature hay you thought was perfect for your easy keepers make them even fatter? ... Read More

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Muscle Disorders

March 23, 2007

Topics relating to muscle disorders, including diagnostics, covered at the 2006 AAEP Convention.... Read More

Article

Muscle Disorders (AAEP 2006)

March 01, 2007

Careful inspection of a horse's muscle mass and symmetry and hands-on palpation educates the examiner about the horse's muscle tone and comfort level. The examiner also evaluates the horse in motion and conducts a full lameness exam.... Read More

Article

Prevalence of PSSM in Quarter Horses

September 14, 2006

Up to 6% of apparently healthy Quarter Horses could have subclinical polysaccharide storage myopathy (PSSM).... Read More

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Feeding to Prevent and Control Disease

August 24, 2006

Various equine diseases can be caused and/or cured by using specific feeding regimens. ... Read More

Article

Feeding to Prevent and Control Disease

August 01, 2006

Dietary management can work like magic for specific equine diseases.... Read More

Article

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