Six months ago I purchased Mille Fleur Bantam Cochin eggs from a breeder and more than half hatched out with Wry neck. I euthanized them thinking it was a neurological defect. Contacted the breeder and she said she had hatched some with that also. Said she found the hen throwing those and culled her from the breeding group. Also in researching read about the vit B, E etc treatments in older birds but havn't read anything about it in newly hatched chicks. So, the one surviving pullet from my hatch who never exhibited symptoms is now laying. She bred with an unrelated roo from another MFC breeder. Today those eggs are hatching. So far two chicks hatched and one with wry neck. Two still to hatch. If this is happening with newly hatched chicks is this a hereditary issue? If I eliminated all that hatched with it the last time how is this pullet carrying this problem if born normal and bred with an unrelated roo? Should I eliminate all birds from this breeder, I have two roos from her also? I have other MFC from two other breeders with no problem and have never seen this problem in any of my other breeds. Should I try the vitamin treatment or does this pretty much sound like a genetic thing in this particular line?