What is a hypoallergenic food trial and why are they important?

Food allergies in dogs and cats can manifest in disease of the gastrintestinal tract, skin and ears, and respiratory systems.  Dr. Roger and Dr. Karen discuss how a hypoallergenic food trial is correctly implemented, why they commonly fail, and why food trials are a common sourse of frustration for pet owners and veterinarians alike.  For more content from Dr. Roger Welton and Dr. Karen Louis, visit their respective blogs at Web-DVM.Net and VetChick.com.  E-mail comments for our co-hosts to address on the air to comments@web-dvm.net.