I have 14 one month old chicks. I had them vaccinated for Merek's before they delivered and haven't had any problems, they all seemed happy and healthy until today. One of the chicks is behaving very funny and I'm worried. She drops her head, flares her wings, and stumbles backwards. It only lasts a few seconds at a time, but it has happened about six times in the hour I've observed it and seems totally involuntary. None of the other chicks have any of the same symptoms, and I've quarantined her in a cat carrier away from the others. Does anyone know what my poor chick has, and can I save her, or is it too late?