Kass, sorry I can't offer you advice as I am not a nnutritional expert on canine nutrition. Your best bet is to speak to your vet, or someone who has knowledge in the area. Whatever you do, take the advice you see on the internet with a grain of salt because much of it is wrong and or misleading.
Hya - I agree that wheat can be an allergen but the stupidity of claim of "don't feed dogs kibble becuase wheat is the number one allergen" is what brings me undone. The claim totally ignores the facts about common dietry allergens in canines and alludes to the fact that it is kibble that is the big no-no with skin issues and allergies when it plainly isn't.
The idea of making your own food for an elimination diet Hya is about control and nothing else. You simply can not control what is in prepared foods. On an elimination diet, the animal must not take in any other food type aside from the 2 foods specifically chosen to conduct the diet with. If even one tiny piece of other food type is ingested, the results of the diet are skewed and it has to be conducted all over again.
I have had to do an elimination diet on a rescue. We put her on goats meat and sweet potato. That was all she ate for over 3 months. Nothing else but water passed her lips and I had to be incredibly vigilant to ensure this was the case.
We discovered that she was allergic to beef, dairy, eggs and she also showed some reaction to chicken. Because of her reaction to beef, dairy, eggs and chicken, we could not feed her any type of kibble or commerical food of any description as it is impossible to find a kibble that doesn't have at least one of these ingredients.
Molly, my moggy that she passed, was also allergic to beef.
The claim that Vets push their own barrow to make money also annoys me and all it does is undermine this profession. No-one here, to my knowledge, has spent more than 6 years studying veterinary science. No-one here to my knowledge, deals with a myriad of issues, problems and animals on a daily basis. We all know that the more expereince we have with animals, the more we learn, so tell me how those with a few pets could even begin to match the knowledge of someone who has trained and studied for 6 years and who deals with animals every day. Sure there will be Vets wanting to push a particular food that they stock, sure they make a small profit on it, but they push it becuase they have the knowledge to KNOW that there is nothing wrong with the food they push!