Gene Test, Research Unravel Severe Skeletal Atavism Limb Deformity in Shetland Ponies

Limbs of a 16-week old Shetland pony with Skeletal Atavism, often described as "bow legs". (Left) caudal view when standing; (center) caudal view when walking and (right) view from the front when standing square.  Complete, or "fused", fibulas and ulnas cause instability in the tarsocrural and antebrachiocarpal joints respectively; the angular limb deformity becomes more severe at the walk. Photo: Ove Wattle

Skeletal Atavism is a genetic defect that can cause skeletal deformities in Shetland ponies. The deformity has now been genetically identified by researchers at Uppsala University and the Swedish University of Agricultural Sciences (SLU), in cooperation with colleagues in the USA at Texas A&M University, the University of Kentucky's Gluck Center, and the University of Washington, as well as at the University of Qatar in the Middle East. The discovery means that healthy carriers now can be identified for better breeding decisions with the use of a gene test.

Cornell Laminitis Research Beneficiary of Arabian Horse Foundation Grant to Study Genetic Markers in Equine Metabolic Syndrome and Cushings Disease

Good news for hoof research: this week the Arabian Horse Foundation (AHF) of the Arabian Horse Association (AHA) announced that it awarded $5,000 to fund equine research; the Foundation directed $2,500 to Cornell University. 

The $2,500 to Cornell University will go toward research into Equine Metabolic Syndrome (EMS) and Equine Cushing’s Disease (ECD) in the Arabian horse. The grant will fund the work of Dr. Samantha Brooks and Cassy Streeter.

A frequent complication of both EMS (also known as Insulin Resistance) and ECD is laminitis and laminitis, in turn, is one of the most common causes of lameness and death in the horse.  
 

Beth Minnich, chair of the Foundation’s Equine Research Advisory Panel, stated, “Arabians are a breed affected by EMS and ECD, so to be able to define genetic markers associated with a predisposition to these diseases would help tremendously in being able to identify at risk horses, properly manage affected horses and potentially assist in developing therapies for treatment. Additionally, the influence of the Arabian breed in the development of many modern breeds will assist in the identification of these genetic markers among a variety of horse populations.”

The metal sculpture "Scotty's Arabian Horse" shown in this article was constructed by hammer on galvanized steel for the Swell Sculpture Festival on Currumbin Beach on Australia's Gold Coast by Andy Scott; photos top and left are by Jeannie Fletcher. I wonder if this magnificent horse and his huge hoof are still there. He was designed to bask in the sun...although he might look great in the snow, too.  The photo below is from Andy's astonishing portfolio of public art.

© Fran Jurga and Hoofcare Publishing Fran Jurga's Hoof Blog is a between-issues news service for subscribers to Hoofcare and Lameness Journal. Please, no use without permission. You only need to ask. This blog may be read online at the blog page, checked via RSS feed, or received via a digest-type email (requires signup in box at top right of blog page). To subscribe to Hoofcare and Lameness (the journal), please visit the main site, www.hoofcare.com, where many educational products and media related to equine lameness and hoof science can be found. Questions or problems with this blog? Send email to blog@hoofcare.com.

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