Grau-Fee Color Inquiry

CiaBia

Songster
Feb 12, 2018
106
193
101
Miami, Florida
I'm working on isolating my Grau-Fee lines, with the addition of the tuxedo gene. I've been expanding my numbers quite a bit these last couple months and have had some interesting birds pop up. I've been breeding for white chins/beards (split for the tuxedo gene if I'm not mistaken?), and I've had a couple of my latest offspring feather out with a noticeable brown 'leakage' compared to others that are clearly grey slate. Should these leaky ones be taken out of my breeding program, or do they just carry another color gene that sets them apart? I have both male and female showing the excess brown, so I don't believe it's gender related.

1. Leaky browns -

IMG_5941 2.jpg IMG_5943.jpg IMG_5945 2.jpg

2. Compared to the grey slate ones -

IMG_5939.jpg IMG_5940.jpg IMG_5887.jpg

And some bonus photos, are these silver tibetan/rosetta or something else at play? I do have roux pop up on occasion. Currently penned with my silvers

IMG_5956.jpg IMG_5957.jpg IMG_5958.jpg

I'm hoping to sell hatching eggs from my Grau-Fee very soon, and want to make sure I am using my highest quality stock. I have about 20 Grau-Fee currently, most of them having white beards with several incomplete tux in the mix as well. If you need more pictures from a different angle let me know and I will be happy to supply them. Thank you all in advance!!
 

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KaLe dA QuAiL

Crowing
Aug 10, 2019
1,552
12,147
376
B.C and a fluffy blanket
My Coop
I'm working on isolating my Grau-Fee lines, with the addition of the tuxedo gene. I've been expanding my numbers quite a bit these last couple months and have had some interesting birds pop up. I've been breeding for white chins/beards (split for the tuxedo gene if I'm not mistaken?), and I've had a couple of my latest offspring feather out with a noticeable brown 'leakage' compared to others that are clearly grey slate. Should these leaky ones be taken out of my breeding program, or do they just carry another color gene that sets them apart? I have both male and female showing the excess brown, so I don't believe it's gender related.

1. Leaky browns -

View attachment 2288631 View attachment 2288632 View attachment 2288635

2. Compared to the grey slate ones -

View attachment 2288637 View attachment 2288639 View attachment 2288642

And some bonus photos, are these silver tibetan/rosetta or something else at play? I do have roux pop up on occasion. Currently penned with my silvers

View attachment 2288663 View attachment 2288664 View attachment 2288665

I'm hoping to sell hatching eggs from my Grau-Fee very soon, and want to make sure I am using my highest quality stock. I have about 20 Grau-Fee currently, most of them having white beards with several incomplete tux in the mix as well. If you need more pictures from a different angle let me know and I will be happy to supply them. Thank you all in advance!!
I know nothing about Grau fee, but those are really pretty :)
 

CiaBia

Songster
Feb 12, 2018
106
193
101
Miami, Florida
Yeah, the only ones I've ever had are rosettas, tibetans, tuxedos, italians, Texas A&M, Pharaoh, and SSC. no grau fees, no fawn...
If you don’t mind me asking, do you breed silver x silver or silver back to pharaoh? I’ve heard SO many conflicting things about them I’m stumped. I have some very light silvers (platinums?) and I’m wondering who I should pair them with. I’ve got all my silvers together at the moment but I’m not hatching any eggs from them.

58AFCA52-1C25-4AC9-B77B-47E85C568CD1.jpeg
 

KaLe dA QuAiL

Crowing
Aug 10, 2019
1,552
12,147
376
B.C and a fluffy blanket
My Coop
If you don’t mind me asking, do you breed silver x silver or silver back to pharaoh? I’ve heard SO many conflicting things about them I’m stumped. I have some very light silvers (platinums?) and I’m wondering who I should pair them with. I’ve got all my silvers together at the moment but I’m not hatching any eggs from them.

View attachment 2288813
like I said, I know nothing about genetics and I hatched my SSC from eggs that I got from someone else. So I have no idea how she came around. I just hatched eggs not knowing what pattern I would get. sorry. I think @muddy75 should know more.
 

Fenrisulfr

Songster
Mar 30, 2020
874
1,891
143
Germany
Silver has a lethal factor, homozygotous. It has been reduce by breeding in foreign genes, but it is likely to accure again, if you are breeding too long silver with silver.

Grau Fee is Tibetan + Fee dilution.
I am figuring out at the moment, which dilution gene is in fact responsible for Fees.

The genes for Tuxedos are 4 different genes, all recessive.
White beard/bib, -breast, -primary wing feathers and -head.
How the final appearance is depends on which genes are active (double allele) and also individual intensity.

The bonus photos is probably Silver and Tibetan, both incomplete dominant, so they mix ... here is one of my Silver/Rosetta mixes:
20200726_095514.jpg
 

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