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I´m not talking about non uniformity down patterns, I´m talking about a headspot on the females...its on your SOP that females should have a clearly defined headspot.... I have seen more than a dozen CL female chicks(Pics of this site) with a headspot..All of the auto-sexing breeds can have "an odd dam (hen) or so" that will produce irregular markings or non-uniformity in down patterns (See quotes below).
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I'm sure that there has been a lot of indiscriminate breeding of these birds here in the US from the onset. And I think we have more than established that our birds in general have some issues and maybe more than a few undocumented genes. Those look like two boys to me as the head spots are too large and the body color not definitive enough compared to the females I hatch, including those with headspots that are easy to discern as such. Not everyone knows or cares what they are doing and for those that do they may want to cull for the head spot and others will not, like myself as it is not an issue with my flock. I understand your disagreement with the UK SOP but it works for me and in general from what I see out there despite a few pics here and there. I just wonder about the real ability to eliminate this from the breed wholesale.
Have a sparkling evening!
same here, one male looks darker than the other, I would keep the lighter oneThose look like two boys to me
well I´m not in a complete disagreement with the UK SOP, aslong as the Males are much lighter than the Females, this is the case for autosexing breeds like the Golden Maran, where both the males and the Females have a headspot, but the Males are Much lighter than the females.. I would just cull the dark males or keep them out of the breeding pen..I understand your disagreement with the UK SOP but it works for me and in general from what I see out there despite a few pics here and there. I just wonder about the real ability to eliminate this from the breed wholesale.
its on your SOP that females should have a clearly defined headspot....
Sorry greengravy, Those two are both boys.
-GaryDean26-
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Quote:
The Cream Legbar down is not included is Pease's 1954 publication, but in the section following the Silver Legbar in the 1951 Auto-sexing Annual he said the following about the Cream Legbar down color.
Quote on Cream Legbar Down color :Michael Pease, 1951 Auto-sexing Poultry Association Annual
So...back to my curiosity.... What genetically is different between the set of Gold Legbars used as the examples in the 1954 publication by Michale Pease and the set of Silver Legbars used in that same publication? They clearly show Gold Legbars with out the head spot on the pullets, but the Silver Legbars pullets with the Head spot. The discription confirm that isn't just from an "odd hen" either but consistent in the silver varriety and consistently not in the Cream Variety of this breed.
Any ideas on whether the down color for the "correct" adult plumage of the Cream Legbar should be closer to the gold or the Silver Legbar? Cream dilutes is a similar fation to silver, but I am not sure if the cream gene would effect the down color like the Silver apparently did in these examples.
Note: in the 1954 publication there are images of 16 pairs of chicks.
Light Sussex Hen X RIR Cock: head spots pullet, NO, head spot cockerel, NO
Light Sussex Hen X Brown Leghorn Cock: head spots pullet, NO, head spot cockerel, NO
Light Sussex Hen X Buff rock Cock: head spots pullet, NO, head spot cockerel, NO
Gold Cambar chicks: head spots pullet, YES, head spot cockerel, NO
Barred Rock Hen X Brown Leghorn Cock: head spots pullet, NO, head spot cockerel, YES
Barred Rock Hen X Light Sussex Cock: head spots pullet, NO, head spot cockerel, YES
Gold Legbar Chicks: head spots pullet, NO, head spot cockerel, YES
Silver Legbar Chicks: head spots pullet, YES, head spot cockerel, NO
Gold Dorbar Chicks: head spots pullet, YES, head spot cockerel, YES
Silver Dorbar Hen X Gold Dorbar Cock: head spots pullet, NO, head spot cockerel, NO
Gold Legbar Hen X Gold Cambar Cock: head spots pullet, YES, head spot cockerel, YES
Gold Legbar Hen X Silver Cambar Cock: head spots pullet, YES, head spot cockerel, YES
Gold Brussbar Chicks: head spots pullet, YES, head spot cockerel, YES
Silver Brussbar Chicks: head spots pullet, YES, head spot cockerel, YES
Light Sussex Hen X Gold Brussbar Cock: head spots pullet, NO, head spot cockerel, NO
Light Dorbar Hen X RIR Cock: head spots pullet, NO, head spot cockerel, NO
The down color for the Cream is "as the Silver" in the 2008 British Standards for poultry and the 1997 version also.
In the British Poultry Standards they list the specifics for down color for both Gold and Silver. The Cream is listed as 'See Silver'. The down color for the silver includes the mention of the head spot. The Cream would then reflect this same allowance.
I would surmise that the down color for silver and cream chicks is more gray in tone than for the gold chicks.
The color description is listed as follows...
The gold: down colour
Brown stripe type. The stripe - same as below
The ground color should be dark brown, though distinctly paler than the stripe. A pale ground colour and a narrow or discontinuous stripe are to be avoided. A light head spot should be visible, usually it is small...
Male: The down colour is much paler in shade, the pattern being blurred and washed out head to rump.
The silver: down colour
Female: Silvery-grey type. The stripe should be very dark brown, extending over the head, neck and rump. The edges of the stripe should be clerarly defined, not blurred and blending with the ground colour - the sharper the contrast, especiallly over the rump the better. The stripe should be broad; a narrow or discontinous strip should be avoided. A light head patch should be visible, clearly defined in outline, showing brightly against the dark background.
Male: The down is much paler in tint, the pattern being blurred and washed out form head to rump: it may best be described as pale silvery-slate
The cream: down colour
As silver.
I am going to surmise that the chicks need to more silvery-slatey-grey than brown-tinted no matter how light they are. Lighter is great for the autosexing/barring but the tone of that lightness is what will determine correct adult plumage, in my opinion and from what I see with my flock. I have a few questions that I'd like to throw your way Niclandia as soon as I get the pics sorted through. I have ideas in my head I cannot find all the words/terms to so hoping you can help solidify or nullify some thoughts I have. Thanks.
Happy New Years Day!!!
The head spot is very small and diminutive what they call 'defined' on the pullets. Silver and Gold are paired genetically so the color tone is what makes them different down wise.As a CL beginner, I am somewhat confused - the down color is supposed to be "as the silver legbar" and the silver pullets have a head spot? Don't the CL cockerels have the head spot, not the pullets?