I am posting a link to a thread here, that shows some info on the AAI -
http://www.yorkietalk.com/forums/sic...gery-help.html
I as explained do not have any experience with this surgery or condition; but with what I've read in this thread and in other threads, is that usually a neck brace is given. I thought that it would be important to keep the neck stable until the bones heal from the surgery.
Were you given some pain meds for him? And is he taking them okay?