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January 22, 2026Journal of Veterinary Pharmacology and Therapeutics

Pharmacokinetics and Tissue Residue Profiles of Enrofloxacin in Nile Tilapia Oreochromis niloticus Following a Single Oral Administration

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Authors

TAThangapalam Jawahar AbrahamRDRatnapriya DasASArya Sen

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Overview

Investigates the pharmacokinetics and tissue residues of enrofloxacin in Nile tilapia, suggesting tailored dosing strategies for effective antibiotic use.

Key Points

  • To examine the pharmacokinetic profile and tissue residue patterns of enrofloxacin in Nile tilapia after a single oral dose.
  • Administered a single oral dose of 10 mg/kg of enrofloxacin to Nile tilapia.
  • Measured peak plasma concentrations and tissue distribution of enrofloxacin.
  • Assessed the minimum inhibitory and bactericidal concentrations against specific bacteria.
  • Enrofloxacin showed rapid absorption with peak plasma concentration of 1.33 μg/mL at about 0.59 hours.
  • Maximum concentration in bile was noted at 16.26 μg/mL and in intestine at 7.08 μg/g.
  • Elimination half-lives varied significantly among tissues, with long persistence in skin (693.18 hours) and gills (237.47 hours).
  • High effectiveness against Aeromonas hydrophila with MIC of 0.20 μg/mL, while lower sensitivity was observed for Streptococcus agalactiae.

Cite This Study

Abraham et al. (2026) studied this question.

synapsesocial.com/papers/6971bdcf642b1836717e27abhttps://doi.org/10.1111/jvp.70047
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