§558.633. Tylvalosin.
21 C.F.R. § 558.633
Specifications. Type A medicated articles containing 77.12 grams tylvalosin per pound as tylvalosin tartrate.
Sponsor. See No. 066916 in § 510.600(c) of this chapter.
Related tolerances. See § 556.748 of this chapter.
Special considerations.
Federal law restricts medicated feed containing this veterinary feed directive (VFD) drug to use by or on the order of a licensed veterinarian. See § 558.6 for additional requirements.
VFDs for tylvalosin shall not be refilled.
Crumbled Type C medicated feeds must bear an expiration date of 7 days after the date of manufacture.
Conditions of use.
Notes, amendments, and revision history
Amendments
[81 FR 36790, June 8, 2016, as amended at 81 FR 67153, Sept. 30, 2016; 84 FR 12504, Apr. 2, 2019; 87 FR 17948, Mar. 29, 2022; 87 FR 58968, Sept. 29, 2022]
Authority
Authority: 21 U.S.C. 354, 360b, 360ccc, 360ccc-1, 371.
Source
Source: 40 FR 13959, Mar. 27, 1975, unless otherwise noted.
Amendments
[81 FR 36790, June 8, 2016, as amended at 81 FR 67153, Sept. 30, 2016; 84 FR 12504, Apr. 2, 2019; 87 FR 17948, Mar. 29, 2022; 87 FR 58968, Sept. 29, 2022]