A diet trial is considered the gold standard method of diagnosing food allergies in dogs. (rachelebaker.com)
Other forms of allergy testing, such as blood and skin tests, are not reliable for diagnosing food allergy. (1800petmeds.com)
The best and most accurate method of diagnosing food allergy is to feed a hypoallergenic diet for eight to twelve weeks as a food trial called an «elimination trial». (glenerinanimalhospital.com)