Multidose pharmacokinetics of orally administered florfenicol in the channel catfish (Ictalurus punctatus)

Plasma disposition of florfenicol in channel catfish was investigated after an oral multidose (10 mg/kg for 10 days) administration in freshwater at water temperatures ranging from 24.7 to 25.9 °C. Florfenicol concentrations in plasma were analyzed by means of liquid chromatography with MS/MS detect...

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Veröffentlicht in:Journal of veterinary pharmacology and therapeutics 2013-10, Vol.36 (5), p.502-506
Hauptverfasser: Gaunt, P. S., Langston, C., Wrzesinski, C., Gao, D., Adams, P., Crouch, L., Sweeney, D., Endris, R.
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container_end_page 506
container_issue 5
container_start_page 502
container_title Journal of veterinary pharmacology and therapeutics
container_volume 36
creator Gaunt, P. S.
Langston, C.
Wrzesinski, C.
Gao, D.
Adams, P.
Crouch, L.
Sweeney, D.
Endris, R.
description Plasma disposition of florfenicol in channel catfish was investigated after an oral multidose (10 mg/kg for 10 days) administration in freshwater at water temperatures ranging from 24.7 to 25.9 °C. Florfenicol concentrations in plasma were analyzed by means of liquid chromatography with MS/MS detection. After the administration of florfenicol, the mean terminal half‐life (t1/2), maximum concentration at steady‐state (Css(max)), time of Css(max) (Tmax), minimal concentration at steady‐state (Css(min)), and Vc/F were 9.0 h, 9.72 μg/mL, 8 h, 2.53 μg/mL, and 0.653 L/kg, respectively. These results suggest that florfenicol administered orally at 10 mg/kg body weight for 10 days could be expected to control catfish bacterial pathogens inhibited in vitro by a minimal inhibitory concentration value of
doi_str_mv 10.1111/j.1365-2885.2012.01426.x
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subjects Administration, Oral
Animals
Anti-Bacterial Agents - administration & dosage
Anti-Bacterial Agents - blood
Anti-Bacterial Agents - pharmacokinetics
Chromatography, High Pressure Liquid - methods
Chromatography, High Pressure Liquid - veterinary
Ictaluridae - blood
Ictaluridae - metabolism
Tandem Mass Spectrometry - methods
Tandem Mass Spectrometry - veterinary
Thiamphenicol - administration & dosage
Thiamphenicol - analogs & derivatives
Thiamphenicol - blood
Thiamphenicol - pharmacokinetics
title Multidose pharmacokinetics of orally administered florfenicol in the channel catfish (Ictalurus punctatus)
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