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Multi–class analysis of 30 antimicrobial residues in poultry feathers by liquid chromatography tandem mass spectrometry

Abstract : Poultry feathers are nowadays partially re-introduced into the animal food chain and the environment. They are valorised by their transformation into feather meal in order to be used as fertilisers in agriculture but also in animal feed (in particular, pet food and fish feed). However, unlike food producing animals for humans, feathers from poultry animals are not subject to a ban or regulatory limits on the presence of antibiotic residue after veterinary treatment. Feathers could therefore be a potential reservoir of antibiotic residues, unintentionally exposing the environment and animals through food, which might contribute to the emergence of antibiotic resistance. To this end, a multi-class liquid chromatographic method coupled with tandem mass spectrometry (LC-MS/MS) was developed for the detection and determination of residues of 30 antibiotics from eight groups of antibacterial (quinolones, lincosamides, macrolides, penicillins, phenicols, tetracyclines, sulphonamides and diaminopyrimidines) in feathers. The extraction of the analytes from the feathers was carried out by the salting out technique. The separation of the analytes employed a Kinetex C18 column. Quantification was made using internal standards. All analytes have been validated according to the performance criteria of Decision 2002/657/EC. Trueness of the method ranged from to 93% to 111% for all analytes and intermediate precision were to 1.2-18.8%. The limits of quantification (LOQ) were from 13 to 150 µg kg(-1) depending on the analytes. The method is suitable for the monitoring and quantification of antibiotic residues in feathers over the range 13-600 µg kg(-1) depending on the compound.
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Submitted on : Wednesday, September 22, 2021 - 3:42:47 PM
Last modification on : Friday, October 8, 2021 - 4:06:07 PM




Estelle Dréano, Michel Laurentie, Dominique Hurtaud-Pessel, Sophie Mompelat. Multi–class analysis of 30 antimicrobial residues in poultry feathers by liquid chromatography tandem mass spectrometry. Food additives & contaminants. Part A. Chemistry, analysis, control, exposure & risk assessment, 2021, pp.1-16. ⟨10.1080/19440049.2021.1942561⟩. ⟨anses-03351797⟩



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