Flumequine depletion from muscle plus skin tissue of gilthead seabream (Sparus aurata L.) fed flumequine medicated feed in seawater at 18 and 24°C

TitleFlumequine depletion from muscle plus skin tissue of gilthead seabream (Sparus aurata L.) fed flumequine medicated feed in seawater at 18 and 24°C
Publication TypeJournal Article
Year of Publication2003
AuthorsTyrpenou, AE, Kotzamanis YP, Alexis MN
JournalAquaculture
Volume220
Issue1-4
Pages633 - 642
KeywordsFlumequine, Gilthead seabream, Residues, Withdrawal period
Abstract

We examined flumequine depletion from muscle plus skin of gilthead seabream held in seawater at 18 and 24°C. Seven groups of 10 fish each were sampled at intervals ranging from 24 to 168 h after in-feed administration of flumequine at 35 mg/kg/day for 5 days. Muscle plus skin tissue samples were analyzed for flumequine by high-performance liquid chromatography and fluorescence detection (HPLC-SFD). Parent flumequine concentrations declined rapidly from muscle plus skin after dosing with elimination half-lives of t1/2=22.14 and 21.43 h at 18 and 24°C, respectively. Withdrawal periods for the maximum residue limit (MRL) of 600 μg/kg flumequine in muscle plus skin at 95% tolerance limit were 106.08 and 75.84 h at 18 and 24°C, respectively, after treatment. © 2003 Elsevier Science B.V. All rights reserved.

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