Just offhand? I'd stick with what is working.
When you have an allergy/sensitivity problem, especially combined with tummy troubles, getting the gi/tummy in good shape is top priority. It takes a while for the gi lining to heal completely - I've forgotten how long it is exactly but we're talking months. During that time, it's important not to challenge her again or you are back to square one.
Honestly, I'd give her about six months before starting to experiment again. And, the course I'd take would be to cautiously use whole foods to try to determine what her triggers are (if indeed they are directly food related).
Also consider that there may be an underlying health problem - IBS, IBD, bacterial overgrowth (clostridium), gluten or dairy intolerance, and pancreatic insufficiency are just a few conditions that can cause a hypersensitive gi. So can chronic (subclinical) tick borne disease, and hypothyroidism.
Becca Shouse: Irena Farm, Semora, NC

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Start 09/15/08: 186.4 lbs Current 185.5 lbs