Code of Massachusetts Regulations
330 CMR - DEPARTMENT OF AGRICULTURAL RESOURCES
Title 330 CMR 14.00 - Manufacture, Sale, And Distribution Of Commercial Feed
Section 14.08 - Non-Protein Nitrogen

(1) Urea and other non-protein nitrogen products are acceptable ingredients only in commercial feeds for ruminant animals as a source of equivalent crude protein. If the commercial feed contains more than 8.75% of equivalent crude protein from all forms of non-protein nitrogen, added as such, or the equivalent crude protein from all forms of non-protein nitrogen, added as such, exceeds a of the total crude protein, the label shall bear adequate directions for the safe use of feeds and a precautionary statement: "CAUTION: USE AS DIRECTED." The directions for use and the caution statement shall be in type of such size so placed on the label that they will be read and understood by ordinary persons under customary conditions of purchase and use.

(2) Non-protein nitrogen when so indicated, are acceptable ingredients in commercial feeds d is tributed to non- ruminant animals as a source of nutrient other than equivalent crude protein. The maximum equivalent crude protein from non-protein nitrogen sources when used in non-ruminant rations shall not exceed 1.25% of the total daily ration.

(3) On labels such as those for medicated feeds which bear adequate feeding directions and/or warning statements, the presence of added non-protein nitrogen shall not require a duplication of the feeding directions or the precautionary statements as long as those statements include sufficient information to ensure the safe and effective use of this product due to the presence of non-protein nitrogen.