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Lavender patterned Isabel duckwing barred - lavender brown cuckoo barred - project and genetic discussion - Page 6

post #51 of 53
Those barred are silver base but no lavender. Theyre some of our barred breeders. One of those hens were used though.
I'll start over just talking about my pure leghorn barred isabelle project. I started the project just using one hen and one rooster so have decided to start the same project again using larger numbers to increase the gene pool. Also because ive been working on a couple other projects in very small numbers and this project will throw chicks I need for other projects as well as the ones I need for the barred isabelle project. Makes more since to combine several projects and use a far larger starting gene pool.
Nicalandia is correct. I know you understand lavender but for others that may not. It takes to lavender genes to show lavender. If a bird carries one lavender gene it does not show or change the bird in any way to show that it carries the lavender gene. You either have to know it was put there or test breed to a lavender to see if it throws any lavender.
One of the reasons i kept some projects seperate was because in my none lavender projects i didnt want the lavender sneaking by unseen then popping up later. I have quite a few ideas with my leghorns and if i need to use a bird that may or may not carry the lavender gene I will just test breed it. I can always use the chicks either way in one project or another.
I'll post in a few about my project....
English orpingtons... Blue, black and chocolate
Leghorns... White, lt brown, dk brown, silver, isabella, cuckoo, black, exchequer, mille fleur, buff, black tailed red and about another dozen projects.
Bantam cochins, marans, LF naked necks, silkies and laying flock of many breeds.
Ducks... Calls, crested, anconas and muscovy.
Geese... White and brown chinese. Turkeys... Blue slate
Reply
English orpingtons... Blue, black and chocolate
Leghorns... White, lt brown, dk brown, silver, isabella, cuckoo, black, exchequer, mille fleur, buff, black tailed red and about another dozen projects.
Bantam cochins, marans, LF naked necks, silkies and laying flock of many breeds.
Ducks... Calls, crested, anconas and muscovy.
Geese... White and brown chinese. Turkeys... Blue slate
Reply
post #52 of 53
My barred lavender leghorn project.
Ok heres how it works...

The idea was to use leghorns to create an auto sexing leghorn that follows the basics behind the legbar.
You need a wild type bird with barring. The males need to be double barred and the females single barred. The double barring vs the single barring is what makes them auto sexing. I started planning on adding barring to brown leghorns. They would end up looking like a crele patterned leghorn. Since isabelles are just a brown leghorn with the lavender genes I decide to use them so my crele project turned into a barred isabelle project as well.

You start with an isabelle rooster over barred hens. They will produce black chicks and black barred chicks. These chicks are sex linked. Blacks are female and barred are males. You scrap the females and go to round two with the males.
Now you bring in your isabelle females and breed to the male chicks. The male chicks will look like black barred birds. They will look black because they have the extended black gene from their barred mothers but they will also carry the wild type gene from their father. They will also be barred because they got their mothers barring gene. Being males they will need two copies of the barring but since their father wasnt barred they only got one. We need to add the second later.

The babies produced from round two will be quite the variety. Im looking for my barred lavender pattern. I think the odds are 1 in 32 females will be what i want and 1 in 32 males will be barred isabelle. The males will only have one barring gene so on to round three.

Use those barred isabelle males over the barred isabelle females. You'll get barred isabelle females, non barred isabelle females and barred isabelle males. Half the males will be single barred and half double barred.
Now your there.
Use only the double barred isabelle males over the barred isabelle females and they will now breed true all chicks will be barred isabelles with all males being double barred. They should be auto sexing.
Round two will also produce isabelle females without barring. I can also use them. When bred to a double barred isabelle male all female chicks will be barred isabelles. If bred to single barred isabelle male 1/2 of the female chicks will be barred isabelles. Round two will also produce brown leghorns that carry the isabelle gene. I can use them as splits and when bred to the double barred isabelle male 1/2 the female chicks will be barred isabelles and half will be barred brown split to isabelle. I can use those brown females whether they are barred or not because the double barred males will give all female chicks the barring.
Thats the basics for my barred isabelle leghorn project.
Hope that wasnt to hard to follow.
English orpingtons... Blue, black and chocolate
Leghorns... White, lt brown, dk brown, silver, isabella, cuckoo, black, exchequer, mille fleur, buff, black tailed red and about another dozen projects.
Bantam cochins, marans, LF naked necks, silkies and laying flock of many breeds.
Ducks... Calls, crested, anconas and muscovy.
Geese... White and brown chinese. Turkeys... Blue slate
Reply
English orpingtons... Blue, black and chocolate
Leghorns... White, lt brown, dk brown, silver, isabella, cuckoo, black, exchequer, mille fleur, buff, black tailed red and about another dozen projects.
Bantam cochins, marans, LF naked necks, silkies and laying flock of many breeds.
Ducks... Calls, crested, anconas and muscovy.
Geese... White and brown chinese. Turkeys... Blue slate
Reply
post #53 of 53
Some of my birds that are being used


Barred leghorn hens



Isabelle leghorn hens


Isabelle leghorn rooster
English orpingtons... Blue, black and chocolate
Leghorns... White, lt brown, dk brown, silver, isabella, cuckoo, black, exchequer, mille fleur, buff, black tailed red and about another dozen projects.
Bantam cochins, marans, LF naked necks, silkies and laying flock of many breeds.
Ducks... Calls, crested, anconas and muscovy.
Geese... White and brown chinese. Turkeys... Blue slate
Reply
English orpingtons... Blue, black and chocolate
Leghorns... White, lt brown, dk brown, silver, isabella, cuckoo, black, exchequer, mille fleur, buff, black tailed red and about another dozen projects.
Bantam cochins, marans, LF naked necks, silkies and laying flock of many breeds.
Ducks... Calls, crested, anconas and muscovy.
Geese... White and brown chinese. Turkeys... Blue slate
Reply
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BackYard Chickens › BYC Forum › Chicken Breeds › Exhibition, Genetics, & Breeding to the Standard of Perfection › Lavender patterned Isabel duckwing barred - lavender brown cuckoo barred - project and genetic discussion