Blue Eared Breeds?

How blue are you talking?
Silver spangled Hamburgs have blue-ish earlobes, and so do Andalusians depending on quality. But the really teal colored blue that silkies get is a pretty unique trait and I'm not aware of any others that get that blue.

Hamburgs
Cory's_Silver_Spangled_Hamburgs,_February_2021.jpg
 
Me neither! That's why I came here to ask because aside from Silkies I can think of literally no other breed with blue lobes in their SOP
It’s probably because it’s linked to dermal melanin. I would assume it’s limited to breeds that are either fibromelanistic or have mulberry faces. For it to show up, it needs to also have the white earlobe gene to deposit purines under the skin. So breeds like Sebrights wouldn’t have this because they have red earlobes. The combination of white earlobes and fibro/mulberry faces eliminates most breeds so that’s why true turquoise lobes are uncommon.
 
It’s probably because it’s linked to dermal melanin. I would assume it’s limited to breeds that are either fibromelanistic or have mulberry faces. For it to show up, it needs to also have the white earlobe gene to deposit purines under the skin. So breeds like Sebrights wouldn’t have this because they have red earlobes. The combination of white earlobes and fibro/mulberry faces eliminates most breeds so that’s why true turquoise lobes are uncommon.
I’m brainstorming breed possibilities and since Hedemora are a landrace breed it appears they have red or tinted white earlobes and some are fibro. There are some examples of birds with turquoise lobes
 
We have multi-gen Olive Eggers who have the light blue earlobes shown in the photos in this thread. They all lay hues of green. Their father is a homozygous rooster with blue-egg genetics. Many are a BC1 blue back cross with the moms being Olive Eggers.
 

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