random

Our Doberman, Harvey, is 2 1/2 yrs old. For a while now we have had some issues with this random vomiting. It will occur in the wee hours of the night 1am, 2am, 3am... It's usually 2 to 3 times that he will vomit and it's his dog food that comes up, a pretty large amount of it if not all. We...