LOL!Hahaha, in page 1 of this thread the first thing I see are the links to my website pages about Paint and other genetics !
Silkie thread!
- Thread starter americana-chick
- Start date
Are you talking about the barring in the crest? Beautiful chick!In this young (+- 8 weeks old male) chick (Blue Silver Quail) coloration their is going on something strange !
Does anyone see what ?
WOW-- it's like a reverse of the color on the two birds! These birds are amazing! Gorgeous!I want to indicate that the same color-genes not (always) work in the same way on hens as on cocks.
This now is the same hen in profile, she have exactelly the same color-genes as her brother below.
These are still very young +- 3 months old.
how is it that you have dominant whites there?
Chick Pictures.....
the one on the right has something wrong with his leg. He can't walk on it and for the most part it sticks out to the side.
is the one in front a lavender? Its a very light grey not white like the splashes.
You need to fix that splayed leg ASAP! I hope someone else has explained how to do this? You can google splayed leg here on BYC. There are a lot of ways to do it, and most people use bandaids. Here is a fix that someone else used: This keeps the legs together so the leg does not slide out from under it. You must leave the bandaid on for at least 2 days. Sometimes 3.
- Nov 22, 2011
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Both next to each other :
Cock : eb/eb S/s+ Bl/bl+ Hen : eb/eb S/- Bl/bl+
Red shouldered Blue Silver Partridge Blue Silver Partridge
There has to be some AR for the red shoulder non?
No, no barring in the crest but the black-pigment all over the body is diluted by a single dosis of Blue (Bl/bl+) but that seems not to work on the crest feathers !
This is a male chick (and as I said same color-genes not (always) work in the same way on hens as on cocks) he look different from the females.
This is a Blue Silver Quail with moarhead with as genetic code eb/eb S/S Co/Co Ml/? cha/cha Bl/bl+
It's what I try to achieve, to make color extremity clashes between black and white in different ways (trying out at the moment some new idea's).
The Dominant white was brought into the Silkies some 15 years ago by a Holland breeder who crossed a White Leghorn (Dominant white) with a Black Silkie (Dominant Black).
AR (Ar+) stands for Autosomal Red which means the same on both sexes (so aswell on males as on females).
As you can see the female have no red at all, only the male have it because he is heterozygous S/s+ (which is sex-linked).
Autosomal red also can cause red shoulders.
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This is my lack of genetics knowledge talking..... but why would you cross a dominant white with a dominant black to produce Dominant whites? Why not a dominant white with a recessive white? I know two recessive can mask other colors... but why not the later instead of the black? Confused! LOL Even so-- that is really neat that it was done like that with a Leghorn. I bet it took a few generations for the chicks to look like silkies again! That is an incredible amount of work!
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Ok, I'll take a stab at it!!You want to use a colour like dominant black so that you can be sure the white you are seeing when you see it is, in fact, dominant and not the recessive white getting lucky so to speak?
Leghorns were for a very long time the only breed that carried the gene for Dominant white. It was a breed from Italian origine were it's called "Livorno" (a town in central Italy). Their are several old texts (from before the first worldwar) that describe several Mediterranean breeds (Anconas, Minorcas ... and their crosses). When you read these it becomes more clear why a cross as Livorno X Silkie were made.
* it's also the origine of the Paint-gene ;-) "I^P"
So it's not only important to have knowledge of the modern genetic progress in micro-biology but also to know something about the history of the more than 100 years old breeds which lay at the origine of many of the "new" colorations/patterns in our current BYC varieties.
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Ok, I'll take a stab at it!!You want to use a colour like dominant black so that you can be sure the white you are seeing when you see it is, in fact, dominant and not the recessive white getting lucky so to speak?
E/E stand for "pure" Extended Black (which is a Dominant gene) called Domiant black.
I/I stand for "pure" Inhibitor (which is a Dominant gene) called Dominant white.
c/c stand for "pure" colorless (which is a recessive gene) called recessive white
A little question now !
A Silkie with genetic code E/E I/I have what color in his phenotype ? And why is that so ?
Later a second question.
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