Genetic questions!

But that does leave me with a question... Why does Vadakor have Crow Wing when the calculator doesn't show that as a possibility... 🤔 I might reach out to the guy I got Vadakor from to see if I was miss informed about his parents
I don't know for sure. Understanding the genetics (as written in books and webpages and modeled by the calculator) seems to be much easier than seeing how they apply to real chickens, especially when they are mixes of mixes!
 
I don't know for sure. Understanding the genetics (as written in books and webpages and modeled by the calculator) seems to be much easier than seeing how they apply to real chickens, especially when they are mixes of mixes!
I gotta admit this calculator is super cool lol! there are so many cool combinations I've tried!
 
khaki patterned silver duckwing pied/mottled and blue unicolor/self E pied/mottled laced are probably some of the most interesting I've made from scratch on the calculator!
 
So complicated that I question if it's even possible... but the calculator says it is so idk... maybe I'll try to create it someday!
It should be genetically possible.

But actually getting those genes into one chicken may take some doing.

I've seen khaki silver duckwing for sale from Ideal Poultry (Old English Game Bantams, they list it as "Fawn Silver Duckwing.")
https://www.idealpoultry.com/items/fawn-silver-duckwing-old-english-bantam/clean-leg-bantams

So you would need to add the mottling gene from somewhere. Maybe use any bird that is black with white mottling, cross them to the Fawn Silver Duckwing, and interbreed the offspring. You should get about 1 in 16 chicks that show both the Duckwing pattern and the mottling, and depending on how many you hatch, you should be able to find a few that also have the gene for fawn/khaki/dun. Using a black-based bird will let you recognize the wrong e-locus gene and get rid of it (E, Extended Black.) If you try to use something like Mille Fleur (probably E^Wh), it will be harder to recognize which chicks have the right gene (e+/e+) and which are mixed (e+/E^Wh)

Or if you can get "Spangled Old English Game Bantams," cross a Fawn Silver Duckwing rooster to a Spangled hen, then interbreed the chicks. That will be easier than using a black-based bird, because Spangled in that breed is Black Breasted Red (i.e. Duckwing pattern) with mottling. Beware that "Spangled" in some other breeds is caused by a very different set of genes. Spangled Hamburgs and Brabanters and Spitzhaubens will not work for this.
It looks like Cackle Hatchery has some Spangled Old English Game Bantams:
https://www.cacklehatchery.com/product/spangled-old-english-game-bantam/

Meanwhile, you could be crossing one of the Fawn (or Khaki) Silver Duckwings to a bird with barring (such as the Cream Legbar), then interbreed those chicks to get some that have the Fawn Silver Duckwing with white barring.

If you have one bird that is Khaki Silver Duckwing with mottling, and another that is Khaki Silver Duckwing with white barring, you can cross them and then breed a barred chick back to the mottled parent to produce some chicks that have both barring and mottling.

You could end up with bantams for this project. Or, if you use Cream Legbars or any larger birds to bring in the barring gene, you could probably select chicks for size as well as color, and end up with large fowl having this color pattern.

Edit: oops, I was naming USA sources for certain chickens. Since you are in Italy, you will definitely not be ordering from those hatcheries. In that case, I do not know what sources you might have, and what breeds you can most easily find that have the right genes for this project.

If you can't start with a Khaki Silver Duckwing, start with one bird that has Khaki (any color pattern) and one that is Silver Duckwing. Cross them, then breed a chick back to the Silver Duckwing. Pick out chicks that are Dun Silver Duckwing (one gene for dun/khaki), then interbreed those to get some Khaki Silver Duckwings. Or just work with the duns, and them to give the gene to 50% of their chicks, so you have to select for that too in each generation.
 

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