Breeding for Color

October 06, 2016

Posted by S.A. Brooks and L. Patterson-Rosa in Genetics

Color is among some of the earliest traits we selected in newly domesticated species (1). Today, color can be critical for registration and therefore, the value, of our horses. For example, in breeds like the Friesian (which requires true black) and the exotic Mangalarga Marchador (which does not allow cremellos or perlinos) color is more than an aesthetic preference, it is a breed requirement. Indeed, on average, presence of a spotting pattern doubles the value of an American Paint Horse Association (APHA) foal. For example, in 2006, the average price of an APHA registered yearling without a spotting pattern was $1540, while a yearling APHA registered horse with the tobiano pattern averaged $2803 (2).

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Can Genetics Turn the Art of Stallion Selection into a Science?

February 03, 2016

Posted by S.A. Brooks and L. Patterson-Rosa in Genetics

Genetics_Horse Chromosomes The horse genome contains all the information required to direct the growth and function of a foal, from conception to death. This enormous “text” is organized into chromosomes, much like the volumes of an encyclopedia. The domesticated horse possesses 32 unique chromosomes, and most cells carry two copies of each chromosome for a total of 64. Gametes of course are the exception, carrying just one of each of the chromosome pairs to the future offspring. This article will discuss information about genotype vs. phenotype, genetic testing, recent genetic studies performed on stallions, and current genetic research being performed on the "freezability" of stallion sperm.

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Please Note - photos used in these news articles are available in the public domain, have been purchased through istockphoto or (when referencing breeders or horses) have been submitted to Select Breeders Services Inc. by the breeding farm or horse owner. Photo credit has been provided where applicable. If at anytime you see something that needs to be addressed please feel free to contact us directly.

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