[Code of Federal Regulations] [Title 21, Volume 6] [Revised as of April 1, 2001] From the U.S. Government Printing Office via GPO Access [CITE: 21CFR558.235] [Page 400-401] TITLE 21--FOOD AND DRUGS CHAPTER I--FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES--(Continued) PART 558--NEW ANIMAL DRUGS FOR USE IN ANIMAL FEEDS--Table of Contents Subpart B--Specific New Animal Drugs for Use in Animal Feeds Sec. 558.235 Efrotomycin. (a) Approvals. Type A medicated article: 14.5 grams per pound to 050604 in Sec. 510.600(c) of this chapter. (b) Conditions of use--(1) Swine. (i) Amount. 3.6 grams per ton. (A) Indications for use. For improved feed efficiency. (B) Limitations. Feed continuously as sole ration. Not to be used in swine weighing more than 250 pounds. (ii) Amount. 3.6 to 14.5 grams per ton. (A) Indications for use. For increased rate of weight gain. [[Page 401]] (B) Limitations. Feed continuously as sole ration. Not to be used in swine weighing more than 250 pounds. (2) [Reserved] [57 FR 38442, Aug. 25, 1992, as amended at 62 FR 63271, Nov. 28, 1997]