Dry or Canned Commercial Food. Finding the right diet for an EPI dog can be very confusing .. especially for the newly diagnosed EPI dog owner (and for the dog too!) but a lot of good EPI management comes about via trial and error with each individual EPI dog.This is Bonbon......inding the right diet for an EPI dog can be very confusing .. especially for the newly diagnosed EPI dog owner (and for the dog too!) but a lot of good EPI management comes about via trial and error with each individual EPI dog.