Every lot or parcel of commercial feed sold or offered or exposed for sale within this State shall have affixed thereto or printed thereon in a conspicuous place on the outside a legible and plainly printed statement in the English language clearly and truly certifying:

(1) The weight of the package;

(2) The name, brand or trademark under which the article is sold;

(3) The name and address of the manufacturer, jobber or importer;

(4) The name of each and all ingredients of which the article is composed; provided, that the Commissioner by regulation may permit the use of a collective term for a group of ingredients which perform a similar function or he may exempt such commercial feeds or any group thereof from this requirement of an ingredient statement if he finds that such statement is not required in the interest of consumers;

(5) A statement of the minimum percentage of crude protein, the minimum percentage of crude fat and the maximum percentage of crude fiber.