Re: l'entusiasmo di iniziare un progetto di colorazione
Rachele1, 2-10-2011 11:22:
I don't know how many generations would be necessary to bring type back completely, but breeding to a bird with more Orp will just set you backwards.
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To bring in a Dominant colorations from an extern breed you need about 6 generations to come back to 98% of the original breed.
To bring in a recessive colorations from an extern breed you need about the double of generations to come back to 98% of the original breed. (just because of the always breeding back of visuality of the recessive coloration).