X2jklyles looks like a roo to mebut wait a few more weeks and see...
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X2jklyles looks like a roo to mebut wait a few more weeks and see...
I read that in a genetics study report on the Sebright. What I described (and I may have done it poorly) is the reasoning that the geneticist gave for the cases where many (not all) Sebright Roos will display sex feathers in their 1st year feathering. There isn't enough estrogen to create the henny feathering in adolescence, in many cases. I haven't raised a cockerel through that stage, yet, so I have no practical experience in the discussion. My lil cockerels are henny, right now, but they are also too young to display sex feathers, anyway. All 3 of the cockerels have the comb pip, and 1 is actually crowing, tho it sounds more like a crow's caw, at present. The other 2 Silver 'Bright chicks are teeny and I am fairly certain that they are pullets.What do you mean by "estrogen-vs-testosterone competition"? There is really no competition. The testosterone their testes produce is converted to estrogen in their skin, which then produces the henny feathering.
Go to scholar.google.com and search whatever you like. Journal articles and studies will come up related to what you search (be forewarned, scientific language is often use and even get's confusing to me sometimes).i am very interested in any and all research about them as well... i am mulling around with creating dun laced silver and golden Sebrights as well as working on my own line of lav laced silvers... i don't think lav laced Golden's would work but i am not sure if the golden would get diluted by the lav like red does or not...