The cr locus - Peak crest

Discussion about specific genes and mutations
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AdamArcher
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The cr locus - Peak crest

Post by AdamArcher »

Lotus
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Re: The cr locus - Peak crest

Post by Lotus »

Overall, the presence or absence of crest in pigeons is influenced by the Crest gene located at the cr locus.
It is generally agreed that the cr gene is recessive to the wild type (no crest), and when present in homozygous dose, it acts like the "Switch On" trigger for crest formation.
However, the type of crest expressed in the phenotype (visual appearance) is influenced by many modifiers, giving rise to the Peak Crest, the Shell Crest, the Hood&Mane Crest, the Rose Crest, etc.
The various types of crests, and their genetic and visual expressions are very well summarised in this article (with photos of specimens and species)
https://www.genetikaholubu.cz/media/new ... 016_09.pdf
(highly recommended if you are interested in crest genetics for backyard breeding purposes)

Other articles discussing and summarising the crest (cr) gene and types of crests can be found in
http://www.taubensell.de/crests_in_the_ ... pigeon.htm
https://mumtazticloft.com/m_crest.asp

Happy reading !!! :)
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AdamArcher
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Re: The cr locus - Peak crest

Post by AdamArcher »

One thing I'd like to be able to test if I can ever get my hands on one is the crest of the Abu Abse/Syrian Tarbesh. Anecdotally I've heard it is an allele of cr, but I've never seen any empirical data.
Lotus
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Re: The cr locus - Peak crest

Post by Lotus »

AdamArcher wrote: Sun Apr 16, 2023 8:43 pm One thing I'd like to be able to test if I can ever get my hands on one is the crest of the Abu Abse/Syrian Tarbesh. Anecdotally I've heard it is an allele of cr, but I've never seen any empirical data.
I have never seen one such bird before, until u mentioned it.
It is an interesting crest - look like a punk Mohawk hairstyle :lol:
AbuAbse SyrianTarbesh Mohawk Crest Front View
AbuAbse SyrianTarbesh Mohawk Crest Front View
AbuAbse SyrianTarbesh Mohawk Head Crest Front.jpg (5.1 KiB) Viewed 2067 times
AbuAbse SyrianTarbesh Mohawk Crest Front Incline
AbuAbse SyrianTarbesh Mohawk Crest Front Incline
AbuAbse SyrianTarbesh Mohawk Head Crest2.jpg (4.55 KiB) Viewed 2067 times
AbuAbse SyrianTarbesh Mohawk Crest Side View L
AbuAbse SyrianTarbesh Mohawk Crest Side View L
AbuAbse SyrianTarbesh Mohawk Head Crest3.jpg (5.69 KiB) Viewed 2067 times
AbuAbse SyrianTarbesh Mohawk Crest Side View R
AbuAbse SyrianTarbesh Mohawk Crest Side View R
AbuAbse SyrianTarbesh Mohawk Head Crest.jpg (3.14 KiB) Viewed 2067 times
Lotus
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Re: The cr locus - Peak crest

Post by Lotus »

AdamArcher wrote: Sat Nov 14, 2020 9:00 pm Wiki link - https://www.pigeongenetics.com/wiki/ind ... e_cr_locus
Hi Adam,
I tried to PM you, but it could not transmit for some reason.
Do U belong to any Pigeon Club/Society?
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AdamArcher
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Re: The cr locus - Peak crest

Post by AdamArcher »

Lotus wrote: Sun Feb 25, 2024 7:45 pm
AdamArcher wrote: Sat Nov 14, 2020 9:00 pm Wiki link - https://www.pigeongenetics.com/wiki/ind ... e_cr_locus
Hi Adam,
I tried to PM you, but it could not transmit for some reason.
Do U belong to any Pigeon Club/Society?
Yes, I'm a member of two racing clubs and one exhibition club (but I only race, I don't exhibit my birds).
Lotus
Posts: 34
Joined: Fri Apr 14, 2023 3:18 pm
Location: Western Australia, Australia

Re: The cr locus - Peak crest

Post by Lotus »

AdamArcher wrote: Sun Feb 25, 2024 11:28 pm
Lotus wrote: Sun Feb 25, 2024 7:45 pm
AdamArcher wrote: Sat Nov 14, 2020 9:00 pm Wiki link - https://www.pigeongenetics.com/wiki/ind ... e_cr_locus
Hi Adam,
I tried to PM you, but it could not transmit for some reason.
Do U belong to any Pigeon Club/Society?
Yes, I'm a member of two racing clubs and one exhibition club (but I only race, I don't exhibit my birds).
Thank you for your reply.
Which clubs do U belong (U may PM me if privacy is needed) ?
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