The Olive-Egger thread!

[Sachasmom]

So, my Ameracuana Roo over my Barred rock hens or Cuckoo Marans will give me Easter Egger Sex links that lay olive eggs, yes?

If my Roo has a beard/muff but the hens don't have much of one (two of my EE hens have the beard/muff, two have little to none) then the hens out of this cross should have the correct beards/muffs, right?

I have a batch of his eggs in the bator now, so we'll see if it turns out! None of the girls lay olive colored eggs though, three are laying blue to blue green, one is laying a pinkish colored egg though!

 

[livin-green]

Okay, so since I don't (or won't) have any barred hens or roos then none of this applies to me...???

I hope. That's getting really confusing!

Now, I wish I had paid more attention in Biology! LOL!

 

[ging3rhoffman]

I wonder what you would get if you used an EE rooster with a silver lace wyandott??

 

[Kim_NC]

Quote:
Okay, I think I'm understanding about the olive-egg "gene". It works 100% on the first generation, but after that is when you get into that whole pea comb vs single comb, feathered leg vs not, etc. Right?
But, now I'm confused about the "barred (cuckoo)" thing. If I breed a black, blue, or splash Ameraucana with a Black Copper Marans roo--or vice-versa--how does barred come into play? Does it not follow the regular "Blue" genetics rules, well except for throwing the "copper" in there?
Blue x Black = 50% Blue / 50% Black
(Bb) (BB)

Splash x Black = 100% Blue
(bb) (BB)

Black x Black = 100% Black
(BB) (BB)

If you use a Marans Roo ......you'll get barred chicks in both sexes. This is because the roo will pass a barred gene to both sexes of offspring.

Do all Marans roos carry a barred gene or just the Black Copper Marans?

Like all sexlink crosses, it won't carry forward in the following generations. But I do find it helpful in the initial first hatch of chicks to be able to sex them so easily. Then I can make choices going forward regarding feather color, muffing, bearding etc.

What is sexlink? I thought that was a breed of chicken--no? Looks like I still have lots of research to do--any recommendations for info?

edited to include who the quote is from ​

I was refering to a Cuckoo (barred) Marans roo. I didn't realize you were talking about a Black Copper Marans roo. Sorry.

If you breed a black, blue, or splash Ameraucana with a Black Copper Marans roo--or vice-versa-- then barred will not come into play at all. The regular blue genetics 'rules' will hold.

Sexlinks are not a breed, but is a reference to a cross that allows the chicks to be sexed at hatch by their color. In any sexlink cross, females will come out in one color/pattern, and males in another.

Onthespot gave a good explanation of the barred cross in post #70. A longer explanation for anyone more curious....
Female chickens have a Z (long) chromosome and a W (short) chromosome. This makes her set of sex chromosomes represented as ZW. Because it is longer, the Z chromosome has gene locations that the W chromosomme does not.

Male chickens have two Z sex chromosomes...or ZZ.

In this case, the barred gene is carried on the Z chromosome, but not the W chromosome.

So...
If you cross the Barred Hen to a pure Black Ameraucana Roo, the female offspring end up with a W chromosome without a barred gene from the hen. Therefore all females will be non-barred.

Males on the other hand will get a barred gene from the hen's Z chromosome. Therefore all males will be barred.

Quote:
Yes, you'll get EE sexlinks laying olive eggs from those crosses. I would expect a darker olive from the cross using the Cuckoo Marans (vs the Barred Rock).

If both parents display at least partial muffs/beards - then most of the offspring should have them.

The pinkish egg genes crossed with a dark brown egg genes will probably give some shade of brown.​

 

[crazy huhn]

Quote:
Is this the case with all barred breeds? My friend has some Barreed Rocks and also some Cuckoo Marans hens. I gave her my white Ameraucaner roo. So, if I hatch eggs out of this combination, would I get sex-links?
Thank You Genetic Gurus to help people like me out here on the Forum.

 

[onthespot]

barring acts the same on all breeds of chickens

 

[Sachasmom]

Yay,I'm making EE Sex links!

I won't have to wait months and months waiting for someone to crow!

I should trade my two RIR hens in for more Barred rocks or Cuckoo Marans.

 

[crazy huhn]

Quote:
Onthespot, thank you for this great info. Does that automatically mean, that all pullets out of this combination will be white, have peacombs and are EE, maybe Olive Eggers or is that a different genetic rule?

Thanks again, and by the way, you have a nice web page.

 

[onthespot]

oops, I should have said all "sex linked" barring acts the same. there is also a different barring gene as expressed in the Egyptian Fouami, which I can't remember if it is recessive or dominant, but I know it is not sex linked.

About the white Ameraucana roo and barred/cuckoo hens... The hens will give a barred gene to their male offspring, but if the Ameraucana is dominant white, it will cover up the barring. If he is homozygous for dominant white then all of his offspring will be white, and only the males will carry the barring gene but you won't be able to tell it visually. If he only has one copy of the dominant gene, half of his offspring will be white, both males and females. and half will be solid coloredd, with the males showing barring.

 

[warhorse]

Quote:
Is cuckoo a true barring?