(a) Specifications. Each tablet contains: (1) 22.7, 68.0, or 136.0 milligrams (mg) enrofloxacin; or (2) 22.7, 68.0, 136.0, or 272 mg enrofloxacin. (b) Sponsors. See sponsor numbers in § 510.600(c) of this chapter for use as in paragraph (c) of this sectio