The Appaloosa Project

Your questions about appaloosa spotting and genetics answered. 

The science behind the spots 

The Appaloosa Project is the ultimate source for information on appaloosa spotting. Our research team investigates the LP gene, the PATN1 gene and other major coat pattern modifiers, as well as LP-associated traits such as Congenital Stationary Night Blindness and Equine Recurrent Uveitis.

Maximize your breeding program

Subscribe to the Appaloosa Project's electronic classroom, where you can ask questions about the genetics of spotted horse breeding, or sign up for our private service - a comprehensive, personalized assessment of your program.

Research in action

Your subscription fee goes directly towards Appaloosa Project research initiatives. In return, we help you with the practical application of our findings.  Accept nothing less than the best information, straight from the scientists who discovered it!

Join the Appaloosa Project

→ Learn how to consistently produce horses with marketable appaloosa coat patterns.

 Find out about genes that enhance or interfere with appaloosa spotting.

 Get straight answers on appaloosa genetics, backed by solid research.

 Help our research happen. Subscribers have helped create the DNA tests for the 'appaloosa' gene LP as well as for the leopard-causing PATN1 gene.

 Share knowledge with breeders from around the world.


→ Subscribe Now

Essential reading

A breeder's guide to the Leopard Complex gene (LP) 4>
Public articles

The vast array of coat patterns and interesting pigmentation variations exhibited by horses that...

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Night blindness in the Appaloosa (CSNB) 4>
Public articles

CSNB stands for “congenital stationary night blindness”. More commonly referred to as night...

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A Breeder’s Guide to Appaloosa Pattern Identification 4>
Subscriber articles

Appaloosas, Knabstruppers and all other breeds of horses with the LP mutation display a wide...

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Breeding for Blankets – Case Study #1

Breeding for Blankets – Case Study #1 4>
Subscriber articles

One of the best ways to learn about the complex topic of appaloosa coat pattern inheritance is to...

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Breeding for Blankets – Case Study #2 4>
Subscriber articles

As there is no single pattern-causing gene that governs the highly desirable blanketed pattern,...

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Coat Patterns Produced Over Time 4>
Subscriber articles

One of the most fascinating features of horses with the LP mutation is their ever-changing...

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