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The "Ask Anything" to Nicalandia Thread

Two different chicks
Recessive White or Splash?

Chick A
20230505_173550.jpg 20230505_173554.jpg

Chick B
20230505_173445.jpg
20230505_173458.jpg


Same dad (OE, blue with silver barring), mom could be anything out on the yard. I have a hen that was hatched from a white hen and she ended up Blue Wheaten.
 
A while back I read this article about red shoulder Yokohama's possibly being splash birds:
https://www.feathersite.com/Poultry/CGP/Phoen/ReederRedShGenetics.html

In it he says:
The dilution gene(s), when outcrossed to a non-diluted eumelanin, becomes a blue gray in the female in all eumelanin areas and is blue gray in the male with the tail growing out white at the base, with this factor often increasing over time. This is consistently the effect seen in F1 outcrosses of RSY to all the alternate alleles, when no form of eumelanin dilution is present.

This would then seem to indicate that Bl is present and perhaps the RSY is a "splash," as the f12 in outcross is not consistent with I/I+ Bl/bl+. However, the behavior of this "blue" appearing factor is not consistent with the gene Bl.


So I bred a Yokohama to a cemani to see what I'd get and sure enough, the chick was blue. As it's growing it's developed a few random black feathers as well. However I'm not understanding everything I read in that article and I'm wondering if anyone knows more about how the blue is not consistent with the Bl gene?

I have a bantam roo from a blue mottled to blue mottled breeding that has similar markings/coloration to the RSY. Could the the color genes be similar enough to try breeding together to try to get bantam RSY?
 
A while back I read this article about red shoulder Yokohama's possibly being splash birds:
https://www.feathersite.com/Poultry/CGP/Phoen/ReederRedShGenetics.html

In it he says:
The dilution gene(s), when outcrossed to a non-diluted eumelanin, becomes a blue gray in the female in all eumelanin areas and is blue gray in the male with the tail growing out white at the base, with this factor often increasing over time. This is consistently the effect seen in F1 outcrosses of RSY to all the alternate alleles, when no form of eumelanin dilution is present.

This would then seem to indicate that Bl is present and perhaps the RSY is a "splash," as the f12 in outcross is not consistent with I/I+ Bl/bl+. However, the behavior of this "blue" appearing factor is not consistent with the gene Bl.


So I bred a Yokohama to a cemani to see what I'd get and sure enough, the chick was blue. As it's growing it's developed a few random black feathers as well. However I'm not understanding everything I read in that article and I'm wondering if anyone knows more about how the blue is not consistent with the Bl gene?

I have a bantam roo from a blue mottled to blue mottled breeding that has similar markings/coloration to the RSY. Could the the color genes be similar enough to try breeding together to try to get bantam RSY?
These examples aren't consistent in color.
Screenshot_20230506-082100_Chrome.jpg
Screenshot_20230506-082240_Chrome.jpg
Screenshot_20230506-082359_Chrome.jpg
Screenshot_20230506-082448_Chrome.jpg
 
Lost my notifications so I'm making a post.

Not a question, really, but an interesting phenomenon in one of my current chicks.

Every other Australorp X California White that inherited the dominant white has been like the current white cockerel, lightly flecked with small specks of black like their mothers.

IMG_20230506_093357750_HDR.jpg


But one pullet from the March hatch is a proper Paint with the big, black markings:

IMG_20230506_093457989.jpg


IMG_20230506_093349608_HDR.jpg


IMG_20230506_093223154.jpg


She's in the "For Sale" pen with a black pullet and a pack of cockerels. I expect she'll be gone quickly.
 

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