coloured mare spotted foal?

J

joingall

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Just a quick question. We have just bought a coloured mare who is supposedly the mother of our x appaloosa 2 year old. They came from the same yard who only have one stallion who is appaloosa black and white spotted and the mare we have is skewbald but someone said recently that it woulod be highly unlikely for a coloured mare to have a spotted foal. any thoughts.
 
Can't see any reason why it would be unlikely for a coloured mare to have a spotted foal? I'm guessing she's heterozygous for tobiano (the coloured gene), so she would only have a 50% chance of passing that on, which she didn't in your foal's case, and the spots came from the stallion then.
 
At the stud where dots was born there was a coloured mare that had a spotty baby (not appy tho, Knabstrupper) Her baby was coloured underneith but you could only see it when he was wet....
 
I once had a 14.2 that was blue & white & had spots on her rump & face.
I think they call them Pintaloosas now.

Although grey & white, it was more a blue roan & this never faded as she grew older.
 
I have seen a spotted mare of the father in laws, have a coloured foal from a coloured stallion, the same spotted mare with the same coloured stallion had a spotty foal a year later too!
 
Highly probable as they are different genes that have no known effect on each other and are all dominants. Just like you can have two or more paint genes together like a in a "Tovero" - tobiano and Overo.

It is frowned upon by Appaloosa registries and there are registration restrictions on non appaloosa white body markings. Having said that our cousins across the water have already put in place a "pintaloosa" (as they are known) registry and SHAP's in the UK used to cater for UK examples! http://www.ipshr.com/RegistrationCategories/Pintaloosa%20Registration.htm

To me I cannot see the point in further complicating the appaloosa set of genes, I have a big enough headache with those and I have never been a fan of putting colour first! Then there is also particularly in the US the risk of introducing the Lethal White Overo gene. However in the USA many of the Western breeds are of similar type and purpose so mixing them does not produce a very wide variance in type.
 
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