Given the huge disparity between what nature intended canines to eat and what most pet food manufacturers provide, it's clear why pet dogs on commercial diets may perform better mentally after a morning carbohydrate "fix."
Once again I'm frustrated by the confusing terminology found on pet food labels. I frequently find pet food labels covered with meaningless words written by advertisers trying to entice you to buy their product without sharing with you their true merit.
Although pet food companies have been slow to improve their environmental footprints, they have been progressive about updating formulas. But this doesn't mean that it's any easier to find the healthiest pet foods at the grocery store.