possible foal colours if i breed my mare

[horse1978]

i have a solid bay american quarter horse mare
she is not colour tested that i know of ,if i was to get it done how much do vets charge ?

her sire and grand sire are both black overo american paints
her dam the colour is unknown

she has a sister on her sires side who is a bay overo
she has a sister from the same dam as herself who is a palamino

there are also a lot of palaminos sired her grand sire on her dams side

she has breed foals in previous homes but i only know the colour of the last foal she had a red dun filly from a homozogomous dun stallion

i would love to have a palamino ,cremello or a skewbald foal ,so what colour stallions do i need to put her to for one of those foals ?

any help would be great thank you very much

 

[Amaranta]

Not sure about the Overo gene but you have no chance of a cremello and would only get a palomino if you put her to a palomino and she also carried the red gene, even then the palomino may not pass on his cream (dilute) gene, you could put her to a cremello (red carrying 2 cream) and possibly get a palomino but you could also get a buckskin. You would almost certainly get a buckskin if you put her to a perlino (bay carrying 2 cream).

She must carry Agouti (bay) but you would need to have her tested for red (chestnut) as well, if she does not carry red you will never get a palomino from this mare.

The vet does not do the testing, google Animal Genetics, if you telephone them they will send you out a kit and relevant forms.

 

[GingerCat]

You may find this link helpful

http://www.horsetesting.com/CCalculator1.asp

 

[Meowy Catkin]

the colour of the last foal she had a red dun filly from a homozogomous dun stallion

The mare does have a chestnut gene. She wouldn't have been able to have a red dun foal without being able to pass a chestnut gene on.

If she only has one copy of the agouti gene and you put her to a creamello stallion, you would get a palomino foal (50%), a buckskin foal (25%) or a smokey black foal (25%).

If she has two copies of agouti, then it's 50/50 palomino or buckskin.

For her to have a coloured foal, you need to find a homozygous coloured stallion.

 

[KarynK]

You will definately need to get her tested for Lethal White Overo, this is a recessive and can be carried by solid horses, it is in the American Quarter Horse so if she does have a copy then you need to avoid any Stallion that also has a copy of the gene or you risk a foal that will die after birth.

Other genetic diseases to avoid are HERDA, a recessive in descendants of Poco Bueno, HYPP a dominant in descendants of Impressive and PSSM, which is in a lot of breeds, but was discovered through AQHA funded research.

If she is clear of LWO then you can go for any paint stallion, there may be some homozygous in the UK or available by frozen or extended semen from Europe. There are several double dilute QH stallions in the UK, one is an import, Chexin Out who I beleive stands in the Midlands, but he was down in Dorset originally.

Tests usually cost around £20 per series and are available in the UK. You need not bother to test for the E series as she is Ee (Black based carrying chestnut). If you wanted to know if she can produce a black then test for the A series, she has one A or At gene but you do not know what the other is, unless she has already produced a black foal.

You have to watch the shades with black based horses and the cream gene as it hardly affects black hairs, so if your mare is a true bay you are ok but if she is a black and tan and you get a black and tan foal, depending on how much black it has it might not show the cream gene very well!!