(c) "Commercial feed" means all materials or combinations of materials which are distributed, or intended for distribution, for use as feed or for mixing in feed, unless such materials are specifically exempted, for animals, other than humans, except:
- (1) Unmixed or unprocessed whole seeds when such whole or unprocessed seeds are not chemically changed or adulterated;
- (2) unprocessed hay, straw, stover, silage, cobs, husks, hulls, and raw meat when not mixed with other materials and when not adulterated;
- (3) individual chemical commodities, compounds or substances when such commodities, compounds or substances are not inter-mixed with other materials, and are therefore not adulterated within the meaning of §19-14-10 of this code. The term commercial feed shall include the categories of feed ingredients, customer-formula feeds, pet foods and specialty pet foods.