I am not sure exactly, Maybe someone much older and wiser can shine some light on this. Lol
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Quote: Yes and No...
Yes, you generally would set type first then worry about the fine points in color/pattern, BUT the colors have to be in place first. otherwise you're setting type on an incorrectly colored bird.
BLRW requires Mahogany to deepen the red and minimize shafting, blue (black and splash are to be expected as well), and proper lacing (incomplete lacing may be worked with but is much harder to set than other varieties, since it incorporates 3 different mutations to be correct). so with blrw you're looking at basically 5 mutations that should be present, 3 of which should be homozygous, blue is negotiable, and at the beginning, as long as at least 1 bird has the mahogany genes, and you select only mahogany carriers for further breeding, then that's debatable too.
Mahogany is a dominant gene, so selection would be easy, but understand that the red will always be deeper on black based birds and much paler on splash birds, given the diluting nature of the blue/splash gene. so that being said i would probably base my blrw line on black and blue laced, and pass on the splash, at least until type is set.
without the mahogany, the best you're likely to have is a nice blue laced gold. it'd be like breeding perfectly typed chestnut/sorrel cutting horses and expecting a bay offspring. it ain't gonna happen, since bay is dominant to chestnut/sorrel, and at least one parent has to BE bay to pass the trait along to it's offspring.
I am not positive but I think it is the same in Chickens too......
Pretty sure that is correct. At least from what I have studied.I am not positive but I think it is the same in Chickens too......