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Why are gray chickens called blue? - Page 2

post #11 of 15
Quote:
Originally Posted by big medicine View Post
 

To the best of my knowledge there are two acknowledged types of blue.

 

Self blue, a recessive trait.

 

And the more common andalusian blue, with it's blue/black/splash possible variables. I suspect there are multiple modifiers that can affect the hue and clarity of the blue, or splash.

Correct. And both of those genes are really more modifying genes rather than color genes. Both types of blue genes dilute black feathering, changing it from black to shades of grey. These 'blue' dilute genes can be applied to just about any 'pattern', from barring, to solid black, or even to partridge-type patterns. 

Self Blue/Lavender will dilute red/gold color, too, turning it to pale yellow.

post #12 of 15

I just thought it was a carry over from other livestock/animals. In horses and dogs, there is a definite color difference between grey animals and blue animals. The genetics are quite different, also. Blue is a dilute of black. Grey is a whole nother set of genetics and breeds differently. 

 

Most breeds of chickens don't have "grey", but shades of silver. They're very different than blue. I breed blue birds and tell folks they range from dove grey to gunmetal grey. Most folks who are familiar with animals understand blue means a grey color, not actual blue-blue. 

Rachel BB

Stem cell transplant from unrelated donor in Feb 2015. Thank you to all my friends here on BYC for all your support during my treatment and ongoing recovery!

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Rachel BB

Stem cell transplant from unrelated donor in Feb 2015. Thank you to all my friends here on BYC for all your support during my treatment and ongoing recovery!

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post #13 of 15
Thread Starter 
Ok, so I can accept that blue means gray and not to think of the paint box with chickens. And yes, I've heard of blue roan for horses and blue heelers so it much be an animal thing 😉

Now I have to go read color genetics for chickens; all that talk about modifying genes and self blue turning red to pale yellow has my head hurting 😳
post #14 of 15
Quote:
Originally Posted by Triplecross View Post

Ok, so I can accept that blue means gray and not to think of the paint box with chickens. And yes, I've heard of blue roan for horses and blue heelers so it much be an animal thing 😉

Now I have to go read color genetics for chickens; all that talk about modifying genes and self blue turning red to pale yellow has my head hurting 😳

Think of it this way. There are only two colors for chickens, silver or red/gold. Black is the base color for pattering. Pattern genes control how much and where black can express. All other colors, like white, blue, splash, and self blue, are the result of modifier genes affecting pattern color.

So, a solid white bird is really a black bird with either dominant or recessive white modifying the black pattern. The black pattern gene is 'blocking' the underlying base color.

Does this help you make sense of things?


Edited by junebuggena - 2/4/16 at 1:04pm
post #15 of 15
Thread Starter 
Yup, thanks.
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