Genetic questions!

Yes they are...
I'm surprised you know all that about extended black but not that Black Copper Marans are Birchen based.
Black Copper Marans are red birchen, and while they aren't supposed to have red in the breast, many of them do. But just like modifiers can remove the color from Extended Black, modifiers can remove the red from the breasts of Birchen.
Well that's strange but very very interesting, I'll have to write that down in my notes! Sorry if what I said seemed a lil hostile, it wasn't meant to be. I didn't know red wasn't expressed as much! I've been doing tons of experiments with gene enhancers and how they interact with blue, extended black, and how other colors of birds interact when mixed so this will greatly help my research!
 
Wow. So I definitely missed the detail that he is half Marans.
In that case he is birchen split for duckwing. Kikimora is black (maybe Extended black, maybe a very dark Birchen) but she might be split for something else as well. It's really a mystery what you will get but most likely some of the chicks will look like him.
That's very fascinating! So is duckwing not a dominant trait then? I have honestly zero clue what Kikimora is tbh... But she's VERY broody and is actually sitting on a nest of her own eggs currently! If they successfully hatch I'm hoping I'll be able to get some males and females to test this out!
 
BTW I already did hatch out a bunch of chicks from this rooster and marans, but they hatched with a bunch of other mixed chicks, so I couldn't tell for sure who was who.
IMG_0318.jpeg
IMG_0320.jpeg
IMG_0393.jpeg
 

Attachments

  • IMG_0404.jpeg
    IMG_0404.jpeg
    439.1 KB · Views: 1
  • IMG_0421.jpeg
    IMG_0421.jpeg
    651.4 KB · Views: 1
  • IMG_0440.jpeg
    IMG_0440.jpeg
    517.5 KB · Views: 1
  • IMG_0493.jpeg
    IMG_0493.jpeg
    662.6 KB · Views: 1
What do you expect the offspring of cross with a whiting true blue rooster like this:
View attachment 4103658

and Black Copper Marans hens with over-melanized hackles?

View attachment 4103659


should I expect all chicks to be either black or black barred?
That's a super interesting question! I had a similar EE rooster with red barring that crossed with my Black Star hen and created this gorgeous gem of a bird!
3659.jpg
 
Good info. I would like to hatch out these chicks (which should be olive egger f1s) and select barred pullets to backcross to a black copper marans rooster to make sex-link marans backcross chicks.
At that point, they will be 3/4 Marans. I expect half of those chicks to be pure for Birchen at the e-locus, and the other half to carry whatever recessive e-locus gene they got from the Whiting rooster.

If I then incross the Backcross birds as f2s... should I find some recessive patterns coming back up ?
Recessive patterns have some chance of showing up, depending on which of the Backcross birds you use.

If you happen to pick the ones that are pure for Birchen, you won't see anything else, just variations in how much or how little red/gold is visible.

But if you pick the ones that carry the rooster's recessive e-locus gene (whichever one(s) that may be), breeding them together should give about 1/4 other patterns and about 3/4 Birchen-based chicks.

(I'm ignoring how many of them will or won't have the barring gene making white lines across whatever else they do or don't have in their coloring.)
 
Last edited:
I'm fairly certain Vadakor carries the same egg color genes as a green EE, right? Olive egger hens crossed to a rooster with a white egg gene would produce offspring that lay green eggs aka "lighter olive eggs"
 
That's a super interesting question! I had a similar EE rooster with red barring that crossed with my Black Star hen and created this gorgeous gem of a bird! View attachment 4103703
She's generation 3 in my mix breed flock!

These are the 4th generation chicks I hatched! (Vadakor's the father to all of them)
3452.jpg

(The tortoise is NOT staying in there with them, he was simply hanging out in there prior to me setting up the grow out coop for these chicks, and he's now happily hanging out in his own space!)
 
That's a super interesting question! I had a similar EE rooster with red barring that crossed with my Black Star hen and created this gorgeous gem of a bird! View attachment 4103703
I would like something like that to come through. Most of my hens are black copper marans and several black - fibro olive eggers. I need more color in my flock so it's easier to distinguish birds. It doesn't help that I have a dozen pure black copper marans eggs in the incubator along with a dozen of these whiting x BCM eggs.
 
Good info. I would like to hatch out these chicks (which should be olive egger f1s) and select barred pullets to backcross to a black copper marans rooster to make sex-link marans backcross chicks.

I would love to have chicks that have a variety of patterns, but it looks like I'm going down a dark hole of birchen birds.

If I then incross the Backcross birds as f2s... should I find some recessive patterns coming back up ?
Yes (but the question is which backcross birds are carrying it. There is some degree of luck involved in which you would probably want to use the lightest birds.)
 
Yes (but the question is which backcross birds are carrying it. There is some degree of luck involved in which you would probably want to use the lightest birds.)
If I get to that point, maybe I'll use several roosters and several hens together for more diversity in the next generation. I will need to weed out any single combs and any layers that don't have the blue egg gene. The goal would be a true breeding olive-green line. So any roosters would have to be tested for the blue gene as well.
 

New posts New threads Active threads

Back
Top Bottom