Guarantees for minimum vitamin content of commercial feeds shall be listed in the ordered specified and are stated on the label in milligrams per pound (mg/lb) of feed or in units consistent with those employed for the quantity statement unless otherwise specified :
1. Vitamin A, other than precursors of vitamin A, shall be stated in International or USP units per pound.2. Vitamin D, in products offered for poultry feeding, shall be stated in International Chick Units per pound.3. Vitamin D for other users shall be stated in International or USP units per pound.4. Vitamin E shall be stated in International or USP units per pound.5. Concentrated oils and feed additive premixes containing vitamins A, D, and/or E may, at the option of the distributor be stated in the units per gram instead of units per pound.6. Vitamin B-12, in milligrams or micrograms per pound.7. All other vitamin guarantees shall express the vitamin activity in milligrams per pound in terms of the following: menadione; riboflavin; d-pantothenic acid; thiamine; niacin; vitamin B-6; folic acid; choline; biotin; inositol; p-amino benzoic acid; ascorbic acid; and carotene.2 Miss. Code. R. 1-3-02-103.03