Nearly all dietary guidelines recommend meeting daily energy requirements with a variety of nutrient - dense foods. (healthyeating.sfgate.com)
and «the body does not and is not able to derive it's entire daily energy requirements from carbohydrates». (nutritionfacts.org)
After age 7, the cat's daily energy requirements generally declines until he reaches the age of 10 or 11 — at this point, his energy needs may pick back up again through the rest of his lifespan. (kittycatter.com)