One of many examples of studies on this subject despite what the popular press and
food expert opinion websites say.
Evaluation of Nutrient utilization in the Canine using the Ileal Cannulation Technique
JULIE A. WALKER DAVID L. HARMON, KATHY L. GROSSI ATVD
GEORGE F. COLLINGS
J. Nutr, 1994
Diets contained 67% extruded grain (corn, rice, oats or barley)
and 33% canned meat supplement on a dry matter basis. Starch digestion was complete (>98%) within the small intestine and was unaffected by carbohydrate source.
Starch = cooked grains = extruded grains
