what is hydrolyzed protein in dog food
Hydrolyzed protein dog food is a fairly new development in pet foods, and several manufacturers offer them as an option for dogs with food allergies.Letâs look at the different brands to see which ones may be best if your dog is diagnosed with a food allergy.n addition to helping alleviate food allergy symptoms, hydrolyzed protein diets can also help treat: 1  colitis. 2  idiopathic diarrhea. 3  inflammatory bowel disease. 4  otitis externa.