UC Davis School of Veterinary Medicine Veterinary Genetics Laboratory
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SynchroGaitTM

SynchroGait is a diagnostic DNA test for a genetic variant (A) that has a major impact on the gait and coordination of horses. The discovery by researchers in Sweden showed that the mutation “facilitates lateral gaits, ambling and pace, and inhibits the transition from trot or pace to gallop”. The gait A variant has been identified as a major genetic factor for performance in trotting horses and ability to perform the additional “flying pace” in Icelandic horses.

With SynchroGait owners can identify the innate ability of young horses for gait performance which facilitates decisions regarding investment in future training. Testing of breeding stock allows breeders to predict likely genotypes of offspring and to select optimal mates to maximize production of foals with the gait mutation. In breeds used for dressage or show jumping, where pacing is not a favorable trait, SynchroGait can be used to eliminate the pacing variant.

Benefits of the variant A in gaited breeds are:

Standardbreds: AA horses are more likely to race professionally; they earn more money and have higher breeding value for racing performance than CA and CC horses. SynchroGait test is particularly applicable to horses that have French Standardbred blood lines.

Coldblooded Trotters: presence of the A variant is correlated with trotting technique. AA horses have natural talent for pace and excellent leg coordination in trot at high speed.

Icelandic Horses: AA horses have a genetic predisposition to perform five gaits (walk, tölt, trot, gallop and pace). CA and CC horses are more likely to perform only four gaits (walk, tölt, trot and gallop).

Other gaited breeds: presence of the A variant predisposes horses to perform alternative gaits. CC horses are three-gaited. Breeds that can benefit for SynchroGait test include:

American Saddlebred Miniature Horse
Bashkir Curly Paint Horse
Kentucky Mountain Horse Quarter Horse
Mangalarga Tennessee Walking Horse
Morgan Horse Peruvian Horse
Colombian Horse Missouri Foxtrotter
(Paso Fino, Trocha, Trocha y Galope, Trote y Galope)  

Breed list will be updated as information develops.

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For more information on SynchroGait, visit http://www.capiletgenetics.com/en.

The Veterinary Genetics Laboratory is licensed by Capilet Genetics to perform the SynchroGait test.

Reference:

Andersson LS, Larhammar M, Memic F, Wootz H et al. (2012) Mutations in DMRT3 affect locomotion in horses and spinal circuit function in mice. Nature 488(7413):642-6.  

 
Veterinary Genetics Laboratory, Tel 530-752-2211, Email VGL