Most commercial foods currently sold for small pets have been carefully formulated to contain all the nutrition needed for that particular species. (petbusiness.com)
The market success of most commercial foods is judged by how convenient it is, and how good it looks, smells, feels, or even tastes to pet owners. (shirleys-wellness-cafe.com)
Today most commercial foods still contain 40 - 70 % grains. (drharveys.com)