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  1. keblow

    The "Ask Anything" to Nicalandia Thread

    This was based on studies. You can find them in Genetics of the Fowl, written by Hutt, I believe. Extraordinary circumstances exist, but as a general rule they found a new cock's sperm to override by 10 days. Wait longer if you wish, because as you can see, the exception proves the rule. ETA: I...
  2. keblow

    The "Ask Anything" to Nicalandia Thread

    Interesting. The dead men books generally hold to that timeline, especially if the cock is replaced instead of simply removed. Sperm of rose combed breeds lives a shorter period, and single comb sperm the longest.
  3. keblow

    The "Ask Anything" to Nicalandia Thread

    @konachicks at 10 days the new cock should be the father of most of the chicks, two weeks is practically guaranteed no cross parentage.
  4. keblow

    The "Ask Anything" to Nicalandia Thread

    A question from my Asil. I have wheatens from Cackle. Some of the pullets look like they carry a melanizer because their heads are almost black and body color is less cinnamon than the others. If this is the case, is it possible to accumulate melanizing genes to turn them 'dark grouse' or...
  5. keblow

    The "Ask Anything" to Nicalandia Thread

    I would like to know more about the genetics of color in Sumatras. What I think I've gleaned so far is that they have lacing hidden under the solid black. Do you know of any other plumage traits that may be uncovered in crosses? These birds also seem to have yellow soles of their feet, but I...
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