Excuse me in advance, for my missing french skill. But I hope, that I find some new ideas here. I am sure, that here will be some talented plumage geneticist, too.
To put it in a nutshell ... I refer to this thread
http://www.the-coop.org/forums/ubbthreads.php?ubb=showflat&Number=99328&page=1
Maybe someone has suggestions for my project, to get this plumage pattern of this Hamburg hen?