Any idea in genetics of brassyback / brassback chicken color?

[Tontstee]

Any idea what is the genetics of brassyback? I search and tried dufferent combination but i cant find brassy back.

 

[Chicken_Obsesser]

@NagemTX

 

[NagemTX]

@MysteryChicken may know more than me on this. I've always thought it was over melinized bbr or golden.

 

[MysteryChicken]

Any idea what is the genetics of brassyback? I search and tried dufferent combination but i cant find brassy back.

It can't be made on the calculator, I've tried. It's made by breeding red, or gold Duckwing to black, then back cross to Duckwing. It's caused by the Charcoal gene.

 

[MysteryChicken]

Any idea what is the genetics of brassyback? I search and tried dufferent combination but i cant find brassy back.

Beautiful boy.

 

[MysteryChicken]

Here's Red Brassy Back. She's home bred.