The results of the test can be used to design a serum specifically for your dog. The frequency of administration of the shots is gradually tapered off, perhaps eventually to once a month. Dawn is going to try and hang in there with the cooking thing for a while longer. It will take three months to be certain Rocky isn't going to respond to the special diet. Then Rocky will have to try and get along without his prednisone and antihistamines for a few weeks, because they interfere with the skin test.
Many people are surprised to learn there are specialists for animals.
These veterinarians spend an extra four or five years in training after veterinary school. They have to pass a series of rigorous examinations. Only then do they have the right to call themselves specialists. What you pay for their expertise is probably one of the best bargains in medicine - human or veterinary.