Chicken Calculator

Male:

Female:

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E Extension of black

Co Columbia

Co:

Db Darkbrown

Db:

Pg Pattern gene

Pg:

Ml Melanotic

Ml:

DbPgMl-loci:

Gene order: Db-Ml-Pg
Crossing over: Db-10%-Ml-10%-Pg
Crossing over: Db--20%--Pg

  Note: No Crossing over
  in this calculation!
  Strict Linkage

Cha Charcoal

Cha:

Mh Mahogany

Mh:

Di Dilute

Di:

Ig Inhibitor of Gold

Ig:

Cb Champagneblond

Cb:

S Silver

B Barring

B,S-loci:

Choc Chocolate

Choc:

I Dom. White

Bl Blue

Bl:

Mo Mottling

Mo:

C Rec. White

Lav Lavender

Lav:

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NOTE: Too many differing loci between parents is very time and CPU demanding (client PC)! Screen will freeze.

Remarks
•E	Extended black, hackle, shoulder and saddle of the males may leak groundcolor (eg red) depending on unknown absent genes.
•Db	Unknown amount of Columbian like Restriction. Db more powerful on males.
•Q	Quail-like phenotype. Meant is a patterned (dark) back and a groundcolored (light) underside. In true "Quail" neck hackles are dark as well. The "wildfarbig" (="wild color") german bantam has a similar color but without any columbia like restrictors, allowing a dark salmon breast.

DF	Double Factor. Dosage effect, stronger expression.

Genetic glossary

Duckwing		The wildtype pattern (Red jungle fowl). Note that the male groundcolored wing triangle is not typical for just this pattern, but also for the wheaten and partridge pattern. The naming for this pattern is derived from the silver version in game birds. The sheen on the wing band is typically blue instead of green in the crowwing variety. The presence of the white/silver wing triangle wasn't that obvious to the gamers apparently. Nowadays with duckwing we mean the wing triangle, and genetically the wildtype = e+ pattern. The females don't have any of the wing characteristics, and typically have a salmon breast and stippled body.

Self		When feathercolor of the whole bird is reserved for at most one pigment kind, pheomelanin or eumelanin or none. Note: these pigments can be absent, or unevenly distributed/inhibited. In "Self Blue", which is based on Lavender and not Andalusian Blue, "self" refers to the even distribution of the grey pigment, without the edging or lacing of the other Blue.

Gold		This the wildtype groundcolor. Confusing can be that wildtype colored males are often called "Black breasted Red". Probably from the red shoulder feature that they have. The gold groundcolor is more obvious on their hackles. These will be more red in a red enhanced bird, called "Red" in this calculator. Another strange thing is that heterozygous silver birds are called "Golden" by fanciers, which genetically is almost the opposite of what they are.

Groundcolor		In chickens this is pheomelanin based, which is normally gold to red, but can be diluted/inhibited to cream or even white (called silver).

Patterned		On top of its groundcolor a chicken can have a (diluted) black/eumelanin based pattern, like stippling, pencilling, lacing, etc... The calculator describes the chicken's phenotype as eumelanin color patterned pheomelanin color plus the name of the pattern. The naming of the pattern is descriptive and may not match the fancier's wording.

Phenotype		What the chicken looks like (due to the combined action of the color genes).

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