Antibiotics threaten wildlife: circulating quinolone residues and disease in Avian scavengers

PloS One
Jesús A LemusF Martínez

Abstract

Antibiotic residues that may be present in carcasses of medicated livestock could pass to and greatly reduce scavenger wildlife populations. We surveyed residues of the quinolones enrofloxacin and its metabolite ciprofloxacin and other antibiotics (amoxicillin and oxytetracycline) in nestling griffon Gyps fulvus, cinereous Aegypius monachus and Egyptian Neophron percnopterus vultures in central Spain. We found high concentrations of antibiotics in the plasma of many nestling cinereous (57%) and Egyptian (40%) vultures. Enrofloxacin and ciprofloxacin were also found in liver samples of all dead cinereous vultures. This is the first report of antibiotic residues in wildlife. We also provide evidence of a direct association between antibiotic residues, primarily quinolones, and severe disease due to bacterial and fungal pathogens. Our results indicate that, by damaging the liver and kidney and through the acquisition and proliferation of pathogens associated with the depletion of lymphoid organs, continuous exposure to antibiotics could increase mortality rates, at least in cinereous vultures. If antibiotics ingested with livestock carrion are clearly implicated in the decline of the vultures in central Spain then it should be con...Continue Reading

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Citations

Mar 15, 2014·Environmental Science and Pollution Research International·Pravin K Mutiyar, Atul K Mittal
Mar 28, 2009·Proceedings. Biological Sciences·Jesús A Lemus, Guillermo Blanco
Jan 16, 2016·Environmental Science and Pollution Research International·Petra C Lindholm-LehtoSirpa H Herve
Nov 12, 2011·Ecological Applications : a Publication of the Ecological Society of America·Guillermo BlancoMarino García-Montijano
Sep 1, 2009·Journal of Environmental Management·C StoateC Ramwell
Aug 11, 2011·International Journal of Systematic and Evolutionary Microbiology·A Suárez-PérezJ B Poveda
Mar 22, 2014·Upsala Journal of Medical Sciences·D G Joakim Larsson
Jul 30, 2020·Animals : an Open Access Journal From MDPI·Hayden D HedmanLixin Zhang
May 14, 2011·The Veterinary Record·R A Molina-LopezL Darwich
Jul 17, 2009·Environmental Science & Technology·Mark A TaggartDeborah J Pain

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Methods Mentioned

BETA
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