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I'm not an expert and maybe someone can add to this, but here is what I've been reading about the "off color" and pattern issue.
Welsummer chicks have wild type chick down: e+ (Wild type) dorsal stripes & eye stripe- day old chicks, adult male Black Breasted Red, adult hen salmon-breasted.
Barnevelder chicks have eb or (brown) chick down : brownish day-old chicks, adult male Black Breasted Red, adult hens brown breasted stippling or adding the secondary pattern genes PgPg MlMl the adult pattern is double laced.
The chicks with the "V" ....."mixes, sports, or throwbacks" (what ever they might be) most likely do not have the right primary pattern genotype on the e locus alleles. The "V" chicks are e+ or carry e+ and are not eb (the brown they should be). They might also lack the special color mutations such as enhancers/modifiers needed to complete the true, clean double-laced pattern that is the color standard for Barnevelders amd exhibition quality birds.
This is based on straight color genetics and not speculation on if the chicks were crossed with welsummer at sometime in the past. I think the main problem is that roosters may look ALMOST right, but not be correctly colored with the color fault hidden. It is much easier to see the issue with the female double-laced pattern. In a generation or two, a person ends up with a flock of Barnevelders with poor lacing, light feather shafting, roosters with too much red in the hackles and salmon colored breasts in the hens. The answer to this color issue is to cull, cull, cull and only select the BEST for breeding. Meanwhile read the breed standard, breed for type, egg color and everything else you desire in a good chicken.
I'm not an expert and maybe someone can add to this, but here is what I've been reading about the "off color" and pattern issue.
Welsummer chicks have wild type chick down: e+ (Wild type) dorsal stripes & eye stripe- day old chicks, adult male Black Breasted Red, adult hen salmon-breasted.
Barnevelder chicks have eb or (brown) chick down : brownish day-old chicks, adult male Black Breasted Red, adult hens brown breasted stippling or adding the secondary pattern genes PgPg MlMl the adult pattern is double laced.
The chicks with the "V" ....."mixes, sports, or throwbacks" (what ever they might be) most likely do not have the right primary pattern genotype on the e locus alleles. The "V" chicks are e+ or carry e+ and are not eb (the brown they should be). They might also lack the special color mutations such as enhancers/modifiers needed to complete the true, clean double-laced pattern that is the color standard for Barnevelders amd exhibition quality birds.
This is based on straight color genetics and not speculation on if the chicks were crossed with welsummer at sometime in the past. I think the main problem is that roosters may look ALMOST right, but not be correctly colored with the color fault hidden. It is much easier to see the issue with the female double-laced pattern. In a generation or two, a person ends up with a flock of Barnevelders with poor lacing, light feather shafting, roosters with too much red in the hackles and salmon colored breasts in the hens. The answer to this color issue is to cull, cull, cull and only select the BEST for breeding. Meanwhile read the breed standard, breed for type, egg color and everything else you desire in a good chicken.
