The fourth ingredient is corn gluten meal. Gluten is the rubbery residue remaining after corn has had the vast majority of its starchy carbohydrate washed from it. Whilst corn gluten meal has 60% protein, this ingredient could well be expected to have a decreased biological worth than meat. the treats. https://royal-cat-food33211.answerblogs.com/37056313/5-simple-statements-about-dry-cat-food-royal-canin-explained