Question regarding counter shading/stripes

[Whizz105]

I Googled this doesn't seem to a lot on this particular shading on bay foals...

My bay foal has counter shading across her back, no dorsal stripe or strips on legs.
Dam is dark bay/black and tan, sire is black (Ee) and carries red gene.

The mares first foal is black from a bay sire (EeAa) this foal also at birth had same stripes across back but also had stripes on legs when first born.

So does this counter shading come from a possible buckskin gene from my mare only or a black gene?

The mares sire is bay and dam was black.

Any ideas?!

 

[Gucci_b]

Bump....

 

[KarynK]

Foal coats are very difficult to judge but basically to be a buckskin one parent has to be one, or a smokey black (black buckskin) or a palomino, so unless the lines have the cream gene it cannot appear, though black hairs can mask a single cream gene as it has little effect on them, but any reddish hair on the coat would turn yellow. My Black and Tan mare has counter shading in her summer coat across her back so maybe it is that that you are seeing and that in the foal there is more tan? Have you had the A tested for At rather than bay?

 

[Whizz105]

Foal coats are very difficult to judge but basically to be a buckskin one parent has to be one, or a smokey black (black buckskin) or a palomino, so unless the lines have the cream gene it cannot appear, though black hairs can mask a single cream gene as it has little effect on them, but any reddish hair on the coat would turn yellow. My Black and Tan mare has counter shading in her summer coat across her back so maybe it is that that you are seeing and that in the foal there is more tan? Have you had the A tested for At rather than bay?

Never seen the counter shading in the mare, just her foals. Can't see there being a cream gene but not tested as yet but worth doing both A and At for both mare and foal?

 

[KarynK]

The mare is quite dark though isn't she? Save your pennies!! you only really need to test the mare if she comes back with an At and the stallion has tested aa then you know that the foal will have the At!!