The following are exempt from the provisions of the New Mexico Commercial Feed Act:
A. commodities such as hay, straw, stover, silage, cobs, husks, hulls and individual chemical compounds or substances that are not intermixed with other materials for animal feed and are not adulterated as provided in Section 8 [ 76-19A-8 NMSA 1978] of the New Mexico Commercial Feed Act; and
B. unmixed whole seeds and physically altered entire unmixed seeds, when they are not chemically changed and are not adulterated as provided in Section 8 of the New Mexico Commercial Feed Act.