I have a d'Uccle hen that picks the others' beards out. I tryed rubbing Vix salve on her pen mates' beards to stop it, but it actually made the problem worse. My trio had also been going after there own eggs for a while like they were supposed to be eating them all along! Grrr. I can't breed chickens if I can't get any unbroken eggs from them! I've turned them out onto the yard to free range, and I think the egg eating has stopped, but the one is still picking the others ragged. She follows them around in the yard, eating their beard feathers out while they graze. I'm not going to use her in the program anymore because of this, but I'm afraid that the other will go right back to egg eating if I confine them again. Any known remedies that I could try? A change in the diet, maybe? I already tryed slipping them "Bad Eggs" (made of hot mustard, salt, soy sauce, cayenne pepper, and hot sauce ), but they ate them like there was nothing wrong and continued their egg eating benge .