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Blue Feathering PDF Print E-mail
Wednesday, 16 July 2008
Blue feather genetics in some pure breed poultry Time to Restore our Utility Poultry (T.R.O.U.P.) in the U.K.
Poultry Genetics
The problems and interesting facts about breeding poultry
  • Blue Feathering

    • Andalusians
      co-dominance - neither allele is dominant and an intermediate or different phenotype results
      Example: andalusian blue chickens
      black x splashed (speckled) = all blue
      blue x blue = 1 black: 2 blue: 1 splashed
    other feather
    pigment-gene allelism
    chickens—white, black, and buff plumage
    chickens—black blue, and whitish plumage;
    In each of these examples at least two of the mutants are nonallelic according to analyses using suitable standard types as in
    black-and-red = red jungle fowl for chickens (Jaap and Hollander 1954).
      The melanins (eumelanin, pheomelanin, and the pheomelanin-related trichochromes) are the pigments that determine the plumage color and patterns of chickens. It is the intricate interaction of genes that affect the presence and distribution of melanins with genes or gene complexes that affect feather structure which give rise to the seemingly infinite variation in plumage color found in domestic fowl. LINK

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    Jill Bowis of Kintaline Poultry and Waterfowl Centre, Benderloch, OBAN Argyll PA37 1QS Scotland
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