What causes brindle in horses?

Brindle coloring in horses is extremely rare and in many cases is linked to spontaneous chimerism, resulting in an animal with two sets of DNA, with the brindle pattern being an expression of two different sets of equine coat color genes in one horse. This form is not heritable.

How does brindle happen?

And of course, white markings and ticking can occur on any brindle dog. Brindle is caused by a complex gene process and is technically a form of mosaicism, where some cells express one allele (KB) and some express the other (ky), a little like tortoiseshell cats.

How rare are brindle horses?

Brindle coloring in horses is rare, but it can occur with the correct gene combination of a female with two copies of the BR1 gene with a male with one copy of the gene. If you want to test your breeding stock, contact UCDavis veterinary genetics laboratory.

What does it mean if a horse is brindle colored?

Brindle is a striped coat color pattern with abnormal hair texture. Phenotype: Brindle is a vertical striped coat pattern accompanied by abnormal hair texture.

Is brindle genetic in horses?

It appears to be a skewed method of greying out where instead of dapples forming the brindle stripes form. The Grey Brindle horses will eventually grey out of this effect. There is now a form of Brindle that has been genetically discovered and is inherited through generations.

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Is brindle rare?

Recessive but Not Rare

Though the brindle coat is caused by a recessive gene (and some complicated genetic science,) it’s not rare. The United Kennel Club recognizes a brindle coat in a pit bull, but it does not recognize a merle, or splotchy coat, which is not natural to the pit bull.

What is the difference between brindle and Merle?

Brindle is a coat pattern and not a color, and has a wild-type allele which is the product of at least two recessive genes and is rare. … Merle and black are dominant genes. A blue merle has two blue genes as well as one merle but can carry others as well.

What is the difference between brindle and reverse brindle?

While a regular brindle pattern occurs when dark stripes appear over a lighter-colored background, a reverse brindle pattern switches the prominence of the coloring, so light stripes appear to sit on on a dark-colored background.