I have a 22 week old Sebright pullet displaying neurologic signs. We took her to our vet and he is completely stumped. Her only symptom of illness is severe ataxia - otherwise she is bright, active, eating, drinking and foraging with no respiratory distress, no sneezing, no coughing, no discharge, has normal stool. None of my other birds are affected. The vet gave her a shot of Dex and put her on a broad spectrum antibiotic. Anyone have any ideas that we can take to our vet so we can provide better supportive care?