Have a appointment sch already for vet. But my boy just turn 1 in May and for the last four day he don't want anything eat. Just drink water or milk and when finish throw up a little. He was eating TOTW roast byson and just which to the fowl. It just flavor so I did think it was the food. Is there any thing I can try to give him. I hate seeing him like this he is never sic, he still have a lot of energy he still want to play and fetch his stick and run for hours.