My silkie (about 7.5 months old) has been acting oddly for about a month and a half. It started out where she would swing her head around every now and then, and she started walking with her head in her chest, started to walk backwards with head in chest, walking in circles, etc. Started her on vitamins last Friday. Pedialyte, vitamin E, Selenium, and Poly Vi Sol. Also, on Sunday, we dusted her in case she had lice or mites. At times, she seems to be able to move around and have her head out, but most of the time, she lays in her cage in the living room. She clucked a little yesterday, but mainly she sleeps curled up in a ball. She is a white silkie, but she is turning brown (dirt?) Her comb is a pale purple. I just don't know if she will get any better. She hardly eats or drinks. Is it time to cull her? None of her coop sisters (leghorn RIR and mixes) are displaying symptoms.