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Appendix Quarter Horse

Country of Origin: USA

breed Horse

Image from Spicyrogue


An Appendix Quarter (or American Appendix Horse) is a first generation cross between a registered Thoroughbred and an American Quarter Horse. They are registered as appendix but not initially eligible for a full AQHA registration.


The cross began in Texas and quickly took hold when the horse racing industry brought Thoroughbred bloodlines into the Quarter Horse Association. Initially they were met with resistance by board members, but they relented to the cross with Thoroughbreds that held Quarter Horse type characteristics as long as they were registered seperately. Through the years & selective breeding the resulting cross is a larger, faster animal with more refined features.


Average height 15 – 17 hands


Due to the different mixes of blood, physical characteristics vary by animal.

Traditional Colors

black | chestnut | grey | bay | dun | roan | palomino & buckskin


Should display an even willing temper


Show horses
Pleasure horses
Farm horses
Race horses

Appendix Quarter Horse Products

Helpful Links

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American Appendix Horse Association

Where To Buy

Stone Ridge Farm
Legend Horse


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Country of Origin: USA | Colors: , , , , , , ,
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