Of course, domesticated dogs have evolved to be able to digest and process grains and, for most dogs, they certainly aren't harmful but, generally speaking, they're really just cheap filler ingredients. (stewartpet.com)
By avoiding cheap filler ingredients and by monitoring any negative reactions to a protein source, dog owners can proactively maintain their dogs» good health via good nutrition. (premierpetrelocation.com)
Dry foods have high carbohydrate percentages from cheap filler ingredients such as corn. (cat-health-guide.org)