Ratios are a good place to start if you’re trying to put everything together yourself. It’s similar to the human food pyramid for people, where there are suggested amounts of food from the various food groups to equal a balanced diet.
Our food is scientifically formulated for optimum nutrition. The ratios are close to 80:10:10, however everything is formulated for the specific proteins and vitamins used to make an AAFCO formulated complete and balanced meal.