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Res Vet Sci. 2013 Jun;94(3):698-700. doi: 10.1016/j.rvsc.2013.01.013. Epub 2013 Feb 20.

Pharmacokinetics of marbofloxacin in rabbit after intravenous, intramuscular, and subcutaneous administration.

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Department of Pharmacology, Faculty of Veterinary Medicine, University of Murcia, Campus de Espinardo, 30.071 Murcia, Spain.


The disposition kinetics of marbofloxacin, a fluoroquinolone antibiotic, after intravenous (i.v.), intramuscular (i.m.) and subcutaneous (s.c.) administration was determined in rabbits at a single dose of 2 mg/kg. Plasma concentrations of marbofloxacin were determined by high performance liquid chromatography with fluorescence detection. The concentration-time data were analysed by compartmental and non-compartmental pharmacokinetic methods. Steady-state volume of distribution (V(ss)) and clearance (Cl) of marbofloxacin after i.v. administration were 1.99±0.27 L/kg and 0.42±0.04 L/h kg, respectively. Following i.m. and s.c. administration marbofloxacin achieved maximum plasma concentrations of 2.04±0.32 and 1.64±0.15 mg/L at 0.33±0.16 and 0.50±0.18 h, respectively. The absolute bioavailabilities after i.m. and s.c. routes were 123.30±17.64% and 114.81±12.11%, respectively. From these data (kinetic parameters and absence of adverse reactions) marbofloxacin is likely to be effective in rabbits.

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