yellow faced blue
DESCRIPTION
Yellow Faced Blue. Two Yellow Faced ‘Colour Mutations’ One we shall call ‘ Australian ’ The other we shall call ‘European’. ‘Australian’ Single Factor. ‘Australian’ Single Factor. Produced by breeding: Double Factor YLF to Normal – 100% Single Factor YLF to Single Factor YLF – 50% - PowerPoint PPT PresentationTRANSCRIPT
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Yellow Faced Blue Two Yellow Faced ‘Colour
Mutations’ One we shall call ‘Australian’ The other we shall call
‘European’
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‘Australian’ Single Factor
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‘Australian’ Single Factor Produced by breeding:
Double Factor YLF to Normal – 100%Single Factor YLF to Single Factor YLF – 50%Single Factor YLF to Double Factor YLF – 50%Single Factor YLF to Normal - 50%
Adult Body ColourSea green (on Sky) to dark bluish green (on
Cobalt) and grey greenish (on Grey) Not for exhibition since not pure blue or grey on
bodyDerived from outcrosses, so useful for breeding
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‘Australian’ Double Factor
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‘Australian’ Double Factor Produced by breeding:
Double Factor YLF to Single Factor YLF – 50%Single Factor YLF to Single Factor YLF – 25%
Body ColourBlue – depth depends on Sky, Cobalt, Mauve or
Violet; or Grey Face and Mask
Buttercup Yellow or Golden For exhibition and breeding
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‘European’ Single Factor
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‘European’ Single Factor
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‘European’ Single Factor Produced by breeding:
Double Factor YLF (looks Normal Blue or Grey) to Normal – 100%
Single Factor YLF to Single Factor YLF – 50%Single Factor YLF to Double Factor YLF– 50%Single Factor YLF to Normal - 50%
Body ColourBlue – depth depends if Sky, Cobalt, Mauve or
Violet; or Grey Face and Mask
Cream For exhibition and breeding
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‘European’ Double Factor
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‘European’ Double Factor Produced by breeding:
Double Factor YLF to Single Factor YLF – 50%Single Factor YLF to Single Factor YLF – 25%
Body ColourBlue – depth depends on Sky, Cobalt, Mauve or
Violet; or Grey Face and Mask
White (appearance indistinguishable from Normal)
For exhibition as a Normal
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Basis for exhibiting Colour mutations (Colour modifying
mutants) Variety mutations
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Colour mutations are….. Blue (normal) ‘European’ Yellow Faced Blue
(normal) Aust. Yellow Face Blue (normal) All are allelomorphs mutated
from the normal wildtype green Represent the 4 budgie colours
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Colour modifier mutations are… Grey Violet Dark factor
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Variety mutations are…… Blackeyed self – Dilute included Redeyed self – Albino or Lutino Clearwing Greywing Cinnamon Opaline Fallow Etc etc
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Where to exhibit? Green Blue Yellow Faced Blackeyed self Redeyed self Clearwing Greywing etc etc
Yellow Faced near the top of the exhibition ‘tree’ with the other two Colour mutations
Currently Yellow Faced are misplaced among the Variety mutations in most Countries
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What this means……. Puts Yellow Faced into its rightful place
based on a solid genetic reason Green, Blue and Yellow Faced classes
would contain only normals Every Variety mutation can then be shown
in all three colours rather than just the two coloursGreen, Blue and Yellow Faced Blue colours
Puts an additional Colour mutation into each class below Yellow Faced, creating much more visual appeal, variety and interest in a declining hobby
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An example or two……. An Albino is variety mutation and Yellow
Faced is a colour mutation thus should we not be exhibiting the variety first
A Fallow (Blue series) is a variety mutation and as explained above, Yellow Faced is a colour mutation thus I would conclude that we should be exhibiting the variety (Fallow) and if Yellow Faced then so be it.
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Conclusion……. ‘Australian’ Yellow Faced Blue should
only be shown in the Double Factor form ‘European’ Yellow Faced Blue only
exists as a Yellow Faced in the Single Factor form
‘European’ Yellow Faced Blue in Double Factor form is visually ‘Normal’ and is shown as a Normal