This week on Genome Barks, we welcome Chad Reese, Assistant Brand Manager for Veterinary Diets with Nestle Purina PetCare Company.  Mr. Reese outlines several therapeutic diets from Purina available exclusively through your veterinarian, including diets for joint mobility, allergies and gastrointestinal issues.  Mr. Reese also discusses some of the science behind the diets, and talks about the different research facilities.