Hello, my year-old silkie has been staying in her nest for a week now and not wandering with the other chickens. She is eating and drinking but then goes back to the nest. Her head constanting shakes/twitches, she is scratching her beak on the ground and yesterday started dipping/stretching her neck down as she scooted backwards while looking disoriented. This occurred after giving her vet rx (menthol type oil in water)thinking it was a cold. I put electrolytes/vitamins in her water and gave her a flaxseed dewormer in her feed. All my birds recently had mites so I sprayed her for that several times over the last week. Any ideas?? Thank you!!