In 2011 we were lucky enough to source this superb cockerel. He headed a breeding group consisting of three of my finest lavender hens and a beautiful lavender cuckoo hen from Pricilla Middleton,from which we created my first double factor lavender cuckoo cockerels..For 2013 and 2014 we had a second breeding group in which we ran the best pullets from my lavenders with the double factor cockbirds. The barring gene definately seemed to help overcome the stunted feather growth of the early straight lavenders.
This will create both single and double factor lavender cuckoo cocks. The hens are truly stunning birds with superb colour, shape and size. As with all cuckoos the barring gene will carry over to 100% of the offspring if the male carries two doses of the cuckoo[barring] gene.
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Lavender Cuckoo Orpington Chicken Photos
Please click on the images below to enlarge.
With this colour we have two sets of gene expression at work [see info below].
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.
Lavender is a recessive gene so both the cock and hen must carry it to show the colour ,but if only one parent is lavender the colour is carried but not shown. It is also a diluting gene that has great effect on many colours,including our Lavender Isabels, on which it was used to dilute red.
Lavender x Lavender = Lavender
Lavender x Black = 100% Black split Lavender
Lavender x Black split = 50% Lavender and 50% Black split
Black split x Black split = 50% Black split 25% Lavender and 25% black