(a) Specifications. Type A medicated articles containing 77.12 grams tylvalosin per pound as tylvalosin tartrate.
(b) Sponsor. See No. 066916 in § 510.600(c) of this chapter.
(c) Related tolerances. See § 556.748 of this chapter.
(d) Special considerations.
(1) 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.
(2) VFDs for tylvalosin shall not be refilled.
(3) Pelleted Type C medicated feeds must bear an expiration date of 30 days after the date of manufacture. Crumbled Type C medicated feeds must bear an expiration date of 7 days after the date of manufacture.
(e) Conditions of use.
| Tylvalosin in grams/ton |
Indications for use | Limitations | Sponsor |
|---|---|---|---|
| (i) 38.6 | Swine: For the control of porcine proliferative enteropathy (PPE) associated with Lawsonia intracellularis infection in groups of swine in buildings experiencing an outbreak of PPE. | Feed continuously as the sole ration for 14 consecutive days. | 066916 |
| (ii) [Reserved] |
[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]