Royal canin canine veterinary diet sensitivity control duck tapioca is for the nutritional management of food elimination trial food allergies with dermatological andor gastrointestinal signs food intolerance inflammatory bowel disease ibd colitis and diarrhoea in adult dogs and puppies selected protein duck tapioca to reduce the risk of allergic reaction because they are rarely used in canine food preparations and are highly digestible skin barrier very high amounts of biotin n