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PostPosted: Tue Sep 01, 2009 9:57 pm 
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Old Mother Goose
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Genetics of Chickens and other Poultry

Genetics can be a daunting topic. It can also be fascinating. This page is designed to get you to the topics which discuss various aspects of genetics that you are interested in. You can then find the topic which best explains it for you. It is broken down into simple genetics areas, so as to allow the beginner to search for the major theme they are looking for, without needing to know what the gene is actually called. A lot of the information in these links is available elsewhere on the web, but where a website has been used, it is referenced if possible. So, search below using the major topics to put you in the right direction.

Note for users - if its underlined, its a link, if not, it either hasnt been covered yet, or I havenet found it yet :D

Firstly though, some links and books.

Website 1 - A great website for beginners - poultry Genetics for exhibition breeders
Website 2 - Also very good - Poultry Genetics for the non professional
Book 1 -The best chicken genetics book ever (in my opinion) - Genetics of Chicken Colour - the basics



General Topics

Genetics for Beginners

A great BYP beginnner thread where people can ask simple questions
A webpage summary of basic genetics - Genes - Alells - locus
Basic Genetics From Poutlry genetics for the non professional



Feather Patterns

    Primary Pattern – the pattern of the overall bird, black head, different wing and tail colours etc, these are based on the e locus.
         Extended Black (E)
         Birchen (Er)
         Wheaten (eWh)

         Wild Type or Duckwing (e+)
         Brown (eb)



    • Secondary Pattern genes

      o Columbian – Black neck and Tail
      o Pencilled / Partridge (based on Pg)
      o Single Laced (Pg, Ml and the addition of Columbian Co)
      o Mottled
      o Spangled



Feather Colour
    • White – Dominant White
    • White – Recessive white - Leaky?
    • Gold
    • Silver (sex linked)
    • Black
    • Chocolate
    • Red
    • Buff
    • Cream
    • Champaigne Blonde



Feather shape
    • Frizzle
    • Silkie
    • Soft feather / Hard Feather



Feather placement
    • Stubs
    • Vulture hocks
    • Crest
    • Muff / bearded
    • Naked neck



Feather Growth
    • Henny feather



Leg/Skin colour
    • White/yellow W locus
    • Sex-linked white/yellow
    • Plumage colour influences (dominant white, mottled, sex-linked barring)



Physical Mutations
    • Comb types
      o Single
      o Pea
      o Rose -
      o Buttercup
      o Other
    • Ear lobe (turquoise, white, Spanish, red)
    • Spurs (multiple spurs, hen spurs)
    • Bantams genes




Duck Colour Genetics
:| :bolt:

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PostPosted: Sat Sep 05, 2009 9:38 am 
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Champion Bird
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A great sticky to springboard from. :thumbs:

I plan to go through it at length, when I have a spare moment. Thanks for putting it together. :D

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PostPosted: Sat Sep 05, 2009 11:19 am 
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Nifty Duck
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Hi Raf, great sticky, Thanks! :thumbs:
A couple of the links arent working down the page the Lavender and the Foot feathering links. It says the topics cant be found.
Cheers, Wendy

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PostPosted: Sat Sep 05, 2009 12:26 pm 
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Superior Bird
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Looking forward to studying it all.


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PostPosted: Sun Oct 04, 2009 8:32 pm 
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Great idea keep up the good work I take it the links are still being worked on as they say the topics dont exist when I click on them


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PostPosted: Tue Oct 27, 2009 9:38 pm 
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Gallant Game
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Great sticky there Rwood. :biggrin: :claps:

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PostPosted: Tue Nov 24, 2009 3:22 pm 
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I look forward to finding the idiots guide for begginers (well i hope i do)
mandi


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PostPosted: Tue Nov 24, 2009 3:38 pm 
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Hi Mandi,

There is a book The Colour Genetics of Chickens a Beginners Guide, Look in the Library section on where to get the book from.

Cheers

Christian

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PostPosted: Sat Feb 06, 2010 10:10 pm 
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Love the forum! typo in website 1 under 'genetics theory' for definition of allele it has "One of two alternate forms of a gene that has the same locus on homologous chromosomes" should be 'multiple' as may be more than two, mark

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PostPosted: Sun Feb 07, 2010 1:10 am 
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Gallant Game
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markjohnconley wrote:
Love the forum! typo in website 1 under 'genetics theory' for definition of allele it has "One of two alternate forms of a gene that has the same locus on homologous chromosomes" should be 'multiple' as may be more than two, mark


Thanks Mark.

Yes, bad grammar :wink:

Maybe I'll change it to 'one of alternate forms of a gene....' - ie drop the 'two'

A definition I just read was "of a pair (or series)", but I think I'll skip defining plurals altogether.

Later on I emphasise that diploid organisms (eg chickens) can only have two alleles at any given locus (on homologous chromosomes), but that there may be multiple mutation alleles that may have occurred on some loci (eg E locus). Well I think I explain that better on the website :) .

Thanks again :) .


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PostPosted: Sun Feb 07, 2010 6:59 am 
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Showy Hen
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KazJaps wrote:
Later on I emphasise that diploid organisms (eg chickens) can only have two alleles at any given locus (on homologous chromosomes), but that there may be multiple mutation alleles that may have occurred on some loci (eg E locus). Well I think I explain that better on the website :) .


No, that one is correct. You have one allele on the gene's locus on one chromosome and "another" allele on its sister chromosome.


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PostPosted: Sun Feb 07, 2010 8:06 am 
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Champion Bird
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Goodaye KazJaps, yep it was only that one typo, the rest looks great, mark

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PostPosted: Fri Jun 04, 2010 12:59 pm 
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Champion Bird
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HELP. On the 'Poultry Genetic' download under the 'Chicken Variety Genotypes' the blastard thing wont' go beyond the first page, so we only get up to B for Barnevelder!
Thanks, Mark

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PostPosted: Fri Jun 04, 2010 1:04 pm 
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Old Mother Goose
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Yep, Ive never gotten past that page either. Im not sure its actually there.

Blackdottes book has it. What are you after?

Raf

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PostPosted: Sat Jun 05, 2010 6:37 pm 
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markjohnconley wrote:
HELP. On the 'Poultry Genetic' download under the 'Chicken Variety Genotypes' the blastard thing wont' go beyond the first page, so we only get up to B for Barnevelder!
Thanks, Mark


What page is that?
Not one of my pages I hope, at edelras.nl or kippenjungle.nl


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