Advertisements Proteins and amino acids are found in chicken, cattle, turkey, venison, fish, and lambs. They can also be found in their organs including liver, lungs, and spleen. All of these sources can be utilized if you’re feeding a raw or lightly cooked diet. In kibble, grains are commonly used as a source of proteinContinue reading “Protein Differences in Raw, Cooked, and Kibble”