No person shall distribute an adulterated feed. A commercial feed or customer-formula feed shall be deemed to be adulterated:
(1) If any poisonous, deleterious or nonnutritive ingredient has been added in sufficient amount to render it injurious to health when fed in accordance with directions for use on the label;
(2) If any valuable constituent has been in whole or in part omitted or abstracted therefrom or any less valuable substance substituted therefor;
(3) If its composition or quality falls below or differs from that which it is purported or is represented to possess by its labeling;
(4) If it contains added hulls, screenings, straw, cobs or other high fiber material unless the name of each such material is stated on the label;
(5) If it contains viable weed seeds in amounts exceeding the limits which the Department shall establish by rule or regulation.
3 Del. C. 1953, § 1707; 56 Del. Laws, c. 69; 57 Del. Laws, c. 764, § 8.