Another Allergy

After perusing the PetSmart and studying various Dog Food ingredients, our next purchase is Nature's Recipe Lamb and Rice Puppy. We start her on this gradually changing her over from the Purina One, by the second day of mixing in the Nature's Recipe food 1/3rd to 2/3rd. of the Purina One, she is itching worse than ever. Here are the ingredients for Nature's Recipe

Lamb meal, ground rice, pearled barley, oatmeal, chicken fat (preserved with mixed tocopherols), dried egg, lamb digest, tomato pomace, flax seed, potassium chloride, salt, taurine, vitamins (vitamin E supplement, L-ascorbyl-2-polyphosphate (source of vitamin C), inositol, niacin supplement, vitamin A supplement, d-calcium pantothenate, thiamine mononitrate, beta-carotene, riboflavin supplement, pyridoxine hydrochloride, menadione sodium bisulfite complex, vitamin D3 supplement, folic acid, biotin, vitamin B12 supplement), minerals (zinc proteinate, ferrous sulfate, zinc oxide, iron proteinate, copper sulfate, copper proteinate, manganese proteinate, manganous oxide, calcium iodate, sodium selenite), choline chloride, yucca schidigera, rosemary extract.
We are stumped at this point, so back to Petsmart we go.