Section 522.313b - Ceftiofur hydrochloride(a)Specifications. Each milliliter of suspension contains: (1) Ceftiofur hydrochloride equivalent to 50 milligrams (mg) of ceftiofur equivalents in the inactive vehicles phospholipan 90H, sorbitan monooleate, and cottonseed oil;(2) Ceftiofur hydrochloride equivalent to 50 mg ceftiofur equivalents in the inactive vehicles polyoxyethylene sorbitan monooleate (polysorbate 80) in a caprylic/capric triglyceride suspension; or(3) Ceftiofur hydrochloride equivalent to 50 mg ceftiofur equivalents in the inactive vehicles aluminum monostearate, sorbitan monooleate, and medium chain triglycerides.(b)Sponsors. See sponsors in § 510.600(c) of this chapter as follows:(1) No. 054771 for products described in paragraphs (a)(1) and (2) of this section; and(2) No. 055529 for the product described in paragraph (a)(3) of this section.(c)Related tolerances. See § 556.113 of this chapter.(d)Special considerations. Federal law restricts this drug to use by or on the order of a licensed veterinarian. Federal law prohibits extra-label use of this drug in cattle and swine for disease prevention purposes; at unapproved doses, frequencies, durations, or routes of administration; and in unapproved major food-producing species/production classes.(e)Conditions of use -(1)Swine - (i)Amount. 3 to 5 mg per kilogram (/kg) of body weight by intramuscular injection. Treatment should be repeated at 24-hour intervals for a total of 3 consecutive days.(ii)Indications for use. For treatment and control of swine bacterial respiratory disease (swine bacterial pneumonia) associated with Actinobacillus pleuropneumoniae, Pasteurella multocida, Salmonella Choleraesuis, and Streptococcus suis.(iii)Limitations. For products described in paragraphs (a)(1) and (3) of this section: Treated swine must not be slaughtered for 4 days following the last treatment. For products described in paragraph (a)(2) of this section: Treated swine must not be slaughtered for 6 days following the last treatment when injection site volumes are greater than 5 mL up to the maximum injection site volume of 15 mL. Treated swine must not be slaughtered for 4 days when injection site volumes are less than or equal to 5 mL.(2)Cattle - (i)Amount. Administer by subcutaneous or intramuscular injection as follows: (A) For bovine respiratory disease and acute bovine interdigital necrobacillosis: 1.1 to 2.2 mg/kg of body weight at 24-hour intervals for 3 to 5 consecutive days.(B) For bovine respiratory disease: 2.2 mg/kg of body weight administered twice at a 48 hour interval.(C) For acute metritis: 2.2 mg/kg of body weight at 24-hour intervals for 5 consecutive days.(ii)Indications for use. For treatment of bovine respiratory disease (BRD, shipping fever, pneumonia) associated with Mannheimia haemolytica, P. multocida, and Histophilus somni; acute bovine interdigital necrobacillosis (foot rot, pododermatitis) associated with Fusobacterium necrophorum and Bacteroides melaninogenicus; and acute metritis (0 to 14 days post-partum) associated with bacteria susceptible to ceftiofur.(iii)Limitations.(A) For products described in paragraphs (a)(2) and (3) of this section: Treated cattle must not be slaughtered for 3 days following the last treatment. For products described in paragraph (a)(2) of this section: Treated cattle must not be slaughtered for 4 days following the last treatment.(B) A withdrawal period has not been established in preruminating calves. Do not use in calves to be processed for veal.61 FR 29479, June 11, 1996, as amended at 63 FR 53578, Oct. 6, 1998; 67 FR 45901 , July 11, 2002; 69 FR 47362 , Aug. 5, 2004. Redesignated and amended at 71 FR 39544 , July 13, 2006; 73 FR 45612 , Aug. 6, 2008; 76 FR 17338 , Mar. 29, 2011; 78 FR 66264 , Nov. 5, 2013; 84 FR 39183 , Aug. 9, 2019; 84 FR 53311 , Oct. 7, 2019 84 FR 39183, 8/9/2019; 84 FR 53311, 10/7/2019