Journal Highlight: Determination of selected antibiotics in farmed fish species using LC-MS/MS

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  • Published: Jul 24, 2017
  • Author: separationsNOW
  • Channels: HPLC
thumbnail image: Journal Highlight: Determination of selected antibiotics in farmed fish species using LC-MS/MS

37 Antibiotics from different classes have been measured in three different farmed fish species by a novel LC-MS/MS method, revealing potential public health concerns.

Determination of selected antibiotics in farmed fish species using LC-MS/MS

Aquaculture Research, 2017, 48, 3829-3836
Mustafa Yipel, Cemil Kürekci, İbrahim O Tekeli, Murat Metli and Fatih Sakin

Abstract: The aim of the study was to monitor the occurrence of 37 antibiotics from different classes including fluoroquinolone, tetracycline, macrolide, sulphonamide, penicillin, amphenicol and cephalosporin in three different farmed fish species (n = 75; rainbow trout, see bass, gilthead see bream) from five cities in Turkey. A method for LC-MS/MS was optimized and validated to assess these antibiotics. As a result, 25 samples showed contamination with at least one antibiotic residue. The most detected antibiotics were norfloxacin (NOR) (18.7%), marbofloxacin (MAR) (12%), tetracycline (TC) (10.7), danofloxacin (DAN) (9.3%), oxytetracycline (OTC) (9.3%), tilmicosin (TLM) (8%) and enrofloxacin (ENR) (6.7%). A total of 17.3% of samples examined were found to be contaminated with residues exceeding the maximum residue limits (MRLs). The results indicate that antibiotics are frequently used in aquaculture production without the lack of knowledge. This study also revealed that the consumption of farmed fish could produce a public health concern as the level of residues for some antibiotics was much higher than MRLs.

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