The Colors of Life

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Equine

Would you like to know what color your horse is? Do you have questions about the color of your foal? You've come to the right place.

KT Gun in a Million

The brindle color pattern does not often occur in horses. The only mutation in horses that reliably produces a brindle coat color is now known to be associated with skin and other health problems and to be lethal in male foals. All other known brindles in horses are the result of chimerism or other mechanisms that do not reliably reproduce. Chimerism occurs when twins fuse very early in development.

What does Overo Mean? (And Why You Shouldn't Use It)

When discussing white patterns in horses it is never long before the word Overo is enters the conversation. But what does Overo really mean? To be blunt, the term Overo, only means “Any white pattern that isn't Tobiano”. This is a carryover from times past when distinguishing between white patterns was impossible for most breeders. A simple way to categorize white patterns was needed for registration.

The Case for Sabino

The past several days have been very exciting in the world of Equine Color Genetics. The results from the first round of W20 testing has started to filter into facebook and the results are very popular. However, this has caused a problem. More than once over the past several days, I have found myself explaining why this white pattern (and all white patterns at the KIT locus) should know be referred to as “White Spotting” rather than Dominant White or Sabino.

Then it dawned on me...Why can’t we just call them all Sabino? These white patterns, phenotypically, look like Sabino. Who cares if they are inherited as an Dominant, incomplete dominant or recessive for that matter.

And Then There Was One: The Abaco Colonial Horse

The horses found on Abaco Island in the Bahamas are like no other. They are small, and fleet but perhaps their most striking feature is their white spotting pattern. Called Splashed White, the white pattern is known for creating bald faces and blue eyes as well as high leg and body white. In the past, many of the animals carried two copies of this distinctive white pattern giving them a distinctive half white appearance. The presence of Splashed White in their population however, is not their most important feature. Genetic testing has confirmed that these horses have a unique genetic heritage. The horses of Abaco Island are of direct Spanish Descent. With only a few populations of these Spanish Colonial Horses left in the world today the Abaco Colonial Horse is priceless, a repository of equine genetics seen nowhere else in the world.

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