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I'm a little unsure of what you're trying to say in that wall of text? I can tell you are very fond of Sussex. I think they are an amazing bird as well. I initially just wanted to create a new 55 autosex dual purpose hybrid/breed with a gentle personality and better at egg laying than the...

I meant, to try to get a new color recognized... Well, according to the calculator, I can get them to breed true 100% at only 3/4 Sussex. I could always cross back if the body shape doesn't fit the sussex type.

Thanks everyone for all your help, I've got a game plan now. Does anyone know at what percentage of Sussex I can call it a Sussex and not a cross? 7/8? 15/16? Or 31/32 or more?

Wow... I feel really dense now, I completely missed you saying that. Sorry about that. But that is certainly good news! It means I'm closer than I thought.

Bah! I'm an idiot! The f2 of sussex roo to bielefelder hen does create bielefelder colors with recessive mottling! How did I miss that?? Arg... On a side note, is there any way to tell a double factor roo from a single barred gene roo?

Wait wait wait... You're telling me that a barred mottled columbian would be autosexed?? I thought it had to be barring on top of the duckwing/wildtype?

Ok, I've got it! Mottled Java Roo + Bielefelder hen = Barred recessive-mottled Roo & Black Recessive-mottled hen. Barred recessive-mottled Roo + Bielefelder hen = Barred, black, gold duckwing, & barred duckwing-some with recessive mottling... Put all those barred duckwings together, set tons of...

I've been messing around with the calculator, looks like my best bet is continually crossing Speckled Sussex into an already autosexing breed, such as a Bielefelder. Most of the crosses would be attempting to remove the Columbian gene... it doesn't look like the Mahogany gene hurts the pattern...

55 flowery hens are gorgeous, but I really don't like the leghorn personality, or the fact that they are unlikely to set. So I would like to recreate the sex-linked color with other breeds. I found some info on other threads about their genetics: and: What other breeds have these traits? I'm...