A high quality canned food, on the other hand, contains approximately 3-5 percent carbohydrates. Cats have a physiological decrease in the ability to utilize carbohydrates due to the lack of specific enzymatic pathways that are present in other mammals, and the lack a salivary enzyme called amylase. Cats have no dietary need for carbohydrates and, more worrisome is the fact that too many carbohydrates can be highly detrimental to their health, read more....