Is his comb or wattles frostbitten? It would seem that the discomfort of frostbite could cause him to shake his head... Just a thought. My flock all had spots of frostbite when we brought them inside last night and all seemed more comfortable after we put A&D ointment on them.
I am glad to...
Maybe electrolytes added to his fluid intake would help. Also, our flock thinks dry cat food is the best thing in the world and I have read multiple places that it is very good for them (someone called it chicken medicine). We use it as a treat, maybe he will like it and eat enough to get his...