Section 520.2471 - Tilmicosin(a)Specifications. Each milliliter of concentrate solution contains 250 milligrams (mg) tilmicosin as tilmicosin phosphate.(b)Sponsors. See Nos. 016592 and 058198 in § 510.600(c) of this chapter.(c)Tolerances. See § 556.735 of this chapter.(d)Conditions of use in swine -(1)Amount. Administer in drinking water at a concentration of 200 mg per liter for 5 consecutive days.(2)Indications for use.(i) For the control of swine respiratory disease associated with Pasteurella multocida and Haemophilus parasuis in groups of swine in buildings where a respiratory disease outbreak is diagnosed.(ii) For the control of swine respiratory disease associated with Mycoplasma hyopneumoniae in the presence of Porcine Reproductive and Respiratory Syndrome Virus (PRRSV) in groups of swine in buildings where a respiratory disease outbreak is diagnosed.(3)Limitations. Swine intended for human consumption must not be slaughtered within 7 days of the last treatment with this product. Federal law restricts this drug to use by or on the order of a licensed veterinarian. 79 FR 18158 , Apr. 1, 2014, as amended at 81 FR 17608 , Mar. 30, 2016; 81 FR 48702 , July 26, 2016; 87 FR 58962 , Sept. 29, 2022 As amended at 81 FR 17608, 3/30/2016; 81 FR 48702, 7/26/2016; 87 FR 58962, 9/29/2022