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Hi HenThymes!
I am not sure what to say and don't want to say the wrong thing or mislead you so maybe we can get Geebs, VillageChicken, Wynette, Ms. Bev Davis, Snowbird, Walt and all the other greats that I know am I missing to come by and start up a discussion on them for us. It's always interesting to see how they mature, we can all learn a great deal I think from them. Thank you for sharing them and keeping us updated and giving all the opportunity to learn along with you.
I'm sure someone will come along soon.
I just realized your eggs were supposed to be golden cuckoo/cuckoo. Does that mean they were from a mixed pen of cuckoo and golden cuckoo? The problem with cuckoo is that they are often a mixed bag beneath all those stripes. I have yet to read anywhere what the bird under the stripes SHOULD be. Golden cuckoos can be Gold based undermelanized extended black, or Wheaten, or Black Copper, or some crazy mix of any of the 3. Even standard cuckoo can be Silver Birchen or Extended black based.
It is possible that Db lurks in the genes of someone's cuckoos. It's a Columbian restrictor, but on the Extended Black (EE) allele it does nothing. On Birchen (ER) and Wheaten (eWh) however it pushes all the black out of the chest and into the hackle wing-tips and tail, like Silver Sussex or Blacktail Buff. A hybrid EE/eWh or EE/ER would also not show the effect of this gene.
So someone's mixed flock of Golden Cuckoo, with barred BCM, a barred Wheaten rooster, or barred silver birchens or hybrids of any of these, could produce pure birchen or wheaten based cuckoos where the Db could then kick in and produce the columbian restriction you are seeing in your birds.
Yes, this was a pen of both cuckoo and golden cuckoo. So is the resulting offspring normal for what you get out of this type of pen? Is that where my brown cockerel is coming from? What color is he then?
My only other question would be where would the yellow legs (only on two) be coming into play??
Thanks Again.
Hi HenThymes!
I am not sure what to say and don't want to say the wrong thing or mislead you so maybe we can get Geebs, VillageChicken, Wynette, Ms. Bev Davis, Snowbird, Walt and all the other greats that I know am I missing to come by and start up a discussion on them for us. It's always interesting to see how they mature, we can all learn a great deal I think from them. Thank you for sharing them and keeping us updated and giving all the opportunity to learn along with you.
I'm sure someone will come along soon.

I just realized your eggs were supposed to be golden cuckoo/cuckoo. Does that mean they were from a mixed pen of cuckoo and golden cuckoo? The problem with cuckoo is that they are often a mixed bag beneath all those stripes. I have yet to read anywhere what the bird under the stripes SHOULD be. Golden cuckoos can be Gold based undermelanized extended black, or Wheaten, or Black Copper, or some crazy mix of any of the 3. Even standard cuckoo can be Silver Birchen or Extended black based.
It is possible that Db lurks in the genes of someone's cuckoos. It's a Columbian restrictor, but on the Extended Black (EE) allele it does nothing. On Birchen (ER) and Wheaten (eWh) however it pushes all the black out of the chest and into the hackle wing-tips and tail, like Silver Sussex or Blacktail Buff. A hybrid EE/eWh or EE/ER would also not show the effect of this gene.
So someone's mixed flock of Golden Cuckoo, with barred BCM, a barred Wheaten rooster, or barred silver birchens or hybrids of any of these, could produce pure birchen or wheaten based cuckoos where the Db could then kick in and produce the columbian restriction you are seeing in your birds.
Yes, this was a pen of both cuckoo and golden cuckoo. So is the resulting offspring normal for what you get out of this type of pen? Is that where my brown cockerel is coming from? What color is he then?
My only other question would be where would the yellow legs (only on two) be coming into play??
Thanks Again.

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