These cats experience an immune reaction to proteins in their diet, and this reaction causes skin and ear inflammation. Feeding these cats a hydrolyzed protein diet (with no other food or treats) ...

Purina was the first pet food manufacturer to produce hydrolyzed protein diets for dogs, which they call Purina HA. It comes in canned and kibble form, and is available in chicken flavor or vegetarian ...

Feeding these cats a hydrolyzed protein diet (with no other food or treats) prevents that immune reaction. This typically ...