[Code of Federal Regulations] [Title 21, Volume 4] [Revised as of April 1, 2001] From the U.S. Government Printing Office via GPO Access [CITE: 21CFR225.165] [Page 143] TITLE 21--FOOD AND DRUGS CHAPTER I--FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES PART 225--CURRENT GOOD MANUFACTURING PRACTICE FOR MEDICATED FEEDS--Table of Contents Subpart G--Product Quality Assurance Sec. 225.165 Equipment cleanout procedures. Adequate procedures shall be established and used for all equipment used in the production and distribution of medicated feeds to avoid unsafe contamination of medicated and nonmedicated feeds.