SpectraMast LC - 12 × 10 mL syringes

An oil-based intramammary sterile suspension containing ceftiofur hydrochloride (125 mg per 10 mL syringe). Used for the treatment of clinical and subclinical mastitis in lactating dairy cattle caused by coagulase-negative staphylococci, Streptococcus dysgalactiae, and E. coli. Administered via infusion into each affected quarter, typically twice at 24-hour intervals; can be extended up to 8 days.