Ever since Ramsley Orpingtons worked so hard to develop the largefowl Chocolate Orpington the door has been opened for the colour to be used on various pattern gene birds due to the relative ease with which you can replace black with chocolate.
We have since bred two lines of these birds using top quality solid colour chocolate hens to improve size.Our breeding group this year will be double factor cockbirds over solid colour choc and cuckoo choc hens which will create both double and single factor choc cuckoo offspring.
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Chocolate Cuckoo Orpington Chicken Photos
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The information regarding this colour and its breed characteristics is basically the same as for chocolate with the added expression of the barring gene.
The Chocolate colour gene was originally discovered by Dr W.C Carefoot in 1994 and only to be found in bantams.Chocolate largefowl Orpingtons are the result of a a breeding project undertaken by Rob and Anita Ramsley, who after crossing bantam to largefowl spent four years outcrossing with David Pownall Black Orpingtons to improve the size. All their hard work was realised when they gained success at the national and federation poultry shows during 2011.
It is a rare Sex-Linked Recessive gene that is basically a dilution of black pigment. This means that out of a pair of genes, the female will be chocolate with just one copy of the gene but the male requires two copies of the choc gene to look chocolate. This also means that black males can look black, but can be carrying one copy of the chocolate gene which can be passed to his prodgeny.
The barring gene is a sex linked dominant gene causing an absence of coloration in the feathers causing white pigment in bars on the colour.It is a very interesting gene as it can be applied to a variety of colours.
A barred male that carries only one barred gene when crossed to a barred female will produce about 25% barred cockerels. Half of those barred cockerels will have a single barred gene. The other half of those will have the double barred gene. The remaining will be 25% barred females and 25% solid females.
Taking a barred male with one barring gene and crossing it to a solid colored femal will produce 25% barred makes with one barring gene and 25% barred females. The remaining 50% of the birds will be of a solid color.
Now on to a barred male with two barred genes. If you take that double barred rooster and cross it to a barred female you will get about 50% barred males that will carry the double barring gene. The remaining 50% of hens will be barred.
To cross a barred male with two barring genes to a solid female you should plan on getting about 50% barred cockerels with one barring gene. The remaining half will be barred pullets. Breeding a double gene barring rooster to a solid hen will give you the result of having the most barred offspring. Using the finest stock you can obtain of both barred rooster and solid hen will give you the best results.
Last but not least the solid male crossed with a barred female will give you 50% barred males with one barring gene and half solid pullets.