[Code of Federal Regulations] [Title 21, Volume 6] [Revised as of April 1, 2007] From the U.S. Government Printing Office via GPO Access [CITE: 21CFR556.225] [Page 354] TITLE 21--FOOD AND DRUGS CHAPTER I--FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES (CONTINUED) PART 556_TOLERANCES FOR RESIDUES OF NEW ANIMAL DRUGS IN FOOD--Table of Subpart B_Specific Tolerances for Residues of New Animal Drugs Sec. 556.225 Doramectin. (a) Acceptable daily intake (ADI). The ADI for total residues of doramectin is 0.75 microgram per kilogram of body weight per day. (b) Tolerances--(1) Cattle. A tolerance of 100 parts per billion is established for parent doramectin (marker residue) in liver (target tissue) and of 30 parts per billion for parent doramectin in muscle. (2) Swine. A tolerance is established for parent doramectin (marker residue) in liver (target tissue) of 160 parts per billion. [63 FR 68184, Dec. 10, 1998]