[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: 21CFR529.360] [Page 323] TITLE 21--FOOD AND DRUGS CHAPTER I--FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES--(Continued) PART 529--CERTAIN OTHER DOSAGE FORM NEW ANIMAL DRUGS--Table of Contents Sec. 529.360 Cephalothin discs. (a) Specifications. Cephalothin discs have a uniform potency of 30 micrograms cephalothin per disc. (b) Sponsor. See No. 000986 in Sec. 510.600(c) of this chapter. (c) Conditions of use. (1) The discs are used for determining the in vitro susceptibility of bacteria to cephaloridine and cephalonium. (2) For veterinary laboratory diagnosis only. [40 FR 13881, Mar. 27, 1975, as amended at 64 FR 404, Jan. 5, 1999]