Hi Karen-
Firstly let me just say I’m so happy your pup survived that episode. A lot do not.
It sounds like you have an amazing resource on hand being that you’re working with a nutritionist at one of the vet schools. The small frequent meals are likely going to have to continue for life and ensuring that she is on a diet that is highly digestible is key. If the Z/D is still causing diarrhea, have you told your vet and the nutritionist about this? She may need to go to another Hills formula or perhaps even to another brand of therapeutic food.
Royal Canin might be one to ask about. They have a lot of formulas in the vet diet lines and are very strict about ingredient quality and manufacturing.
