I am sorry Gail. Have your heard or thought about animal reiki? I was given a book on the subject and although I've yet to read it completely, some of what I read sounds as though it could help. Good luck with him, that's shame he had to be pulled from nationals.
This is the book I've got, but I noticed there are others....
Elizabeth Fulton, Animal Communicator: Animal Communication, Animal Reiki, Flower Essences for Animals
.....another...
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