Multi Drug resistant Organisms in Chicken farms and their Surrounding Environment

Introduction: Chicken farms are nowadays regarded as reservoirs of multi-drug resistance. Studies have shown that resistant organisms can be readily transferred from animals to their surrounding ecosystem. The aim of this study is to determine if any link exists between the prevalence of multi-drug...

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Main Authors: Iman Dandachi, Elie Fayad, Bassel El-Bazzal, Ahmad Sleiman, Jean-Marc Rolain, Ziad Daoud
Format: Article
Language:English
Published: The Journal of Infection in Developing Countries 2018-02-01
Series:Journal of Infection in Developing Countries
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Online Access:https://jidc.org/index.php/journal/article/view/10041
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author Iman Dandachi
Elie Fayad
Bassel El-Bazzal
Ahmad Sleiman
Jean-Marc Rolain
Ziad Daoud
author_facet Iman Dandachi
Elie Fayad
Bassel El-Bazzal
Ahmad Sleiman
Jean-Marc Rolain
Ziad Daoud
author_sort Iman Dandachi
collection DOAJ
description Introduction: Chicken farms are nowadays regarded as reservoirs of multi-drug resistance. Studies have shown that resistant organisms can be readily transferred from animals to their surrounding ecosystem. The aim of this study is to determine if any link exists between the prevalence of multi-drug resistance in chicken farms and their surrounding environment. Methodology: In May-2017, 200 fecal swabs were collected from a chicken farm in Lebanon. Fecal samples from six workers and 41 environmental samples surrounding the farm were also taken. Three different selective media were used for the screening of multi-drug resistant and colistin resistant organisms. MALDI-TOF was used for bacterial identification. Double disk synergy test and ampC disk test were used for the screening of ESBL and ampC producers respectively. Furthermore, RT-PCR was performed for the detection of beta lactamase and mcr colistin resistance genes. Results: In chicken, 315 E.coli strains were isolated: 53% were ESBL/ampC co-producers, 27% ampC and 42.5% mcr-1 positive isolates. Furthermore, 29 K.pneumoniae harboring mcr-1 were also isolated. In workers, ESBL producing E.coli were detected in 4/6 workers whereas mcr-1 carrying E.coli were detected in all workers. In the environment, ESBLs and mcr-1 positives were detected in 95% and 7% of the samples respectively. RT-PCR revealed the detection of B-lactamase genes in all samples at different rates. Conclusions: This study showed a relatively high prevalence of ESBL and mcr-1 positive isolates in chicken and their environment. MLST is in progress to determine if any link exists between multi-drug resistant organisms in these ecosystems investigated.
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spelling doaj-art-18902bdbef4043b9b505deb78f9bc1f42025-08-20T03:52:43ZengThe Journal of Infection in Developing CountriesJournal of Infection in Developing Countries1972-26802018-02-011202.110.3855/jidc.10041Multi Drug resistant Organisms in Chicken farms and their Surrounding EnvironmentIman Dandachi0Elie Fayad1Bassel El-Bazzal2Ahmad Sleiman3Jean-Marc Rolain4Ziad Daoud5Clinical Microbiology Laboratory, Faculty of Medicine and Medical Sciences, University of Balamand, Amioun, Beirut, LebanonClinical Microbiology Laboratory, Faculty of Medicine and Medical Sciences, University of Balamand, Amioun, Beirut, LebanonMinistry of Agriculture, Beirut , LebanonClinical Microbiology Laboratory, Faculty of Medicine and Medical Sciences, University of Balamand, Amioun, Beirut, LebanonUnité de recherche sur les maladies infectieuses et tropicales émergentes (URMITE), UM 63, CNRS 7278, IRD 198, INSERM 1095, IHU Méditerranée Infection, Faculté de Médecine et de Pharmacie, Aix-Marseille-Univ, Marseille, FranceClinical Microbiology Laboratory, Faculty of Medicine and Medical Sciences, University of Balamand, Amioun, Beirut, Lebanon Introduction: Chicken farms are nowadays regarded as reservoirs of multi-drug resistance. Studies have shown that resistant organisms can be readily transferred from animals to their surrounding ecosystem. The aim of this study is to determine if any link exists between the prevalence of multi-drug resistance in chicken farms and their surrounding environment. Methodology: In May-2017, 200 fecal swabs were collected from a chicken farm in Lebanon. Fecal samples from six workers and 41 environmental samples surrounding the farm were also taken. Three different selective media were used for the screening of multi-drug resistant and colistin resistant organisms. MALDI-TOF was used for bacterial identification. Double disk synergy test and ampC disk test were used for the screening of ESBL and ampC producers respectively. Furthermore, RT-PCR was performed for the detection of beta lactamase and mcr colistin resistance genes. Results: In chicken, 315 E.coli strains were isolated: 53% were ESBL/ampC co-producers, 27% ampC and 42.5% mcr-1 positive isolates. Furthermore, 29 K.pneumoniae harboring mcr-1 were also isolated. In workers, ESBL producing E.coli were detected in 4/6 workers whereas mcr-1 carrying E.coli were detected in all workers. In the environment, ESBLs and mcr-1 positives were detected in 95% and 7% of the samples respectively. RT-PCR revealed the detection of B-lactamase genes in all samples at different rates. Conclusions: This study showed a relatively high prevalence of ESBL and mcr-1 positive isolates in chicken and their environment. MLST is in progress to determine if any link exists between multi-drug resistant organisms in these ecosystems investigated. https://jidc.org/index.php/journal/article/view/10041mcr-1chickenESBL
spellingShingle Iman Dandachi
Elie Fayad
Bassel El-Bazzal
Ahmad Sleiman
Jean-Marc Rolain
Ziad Daoud
Multi Drug resistant Organisms in Chicken farms and their Surrounding Environment
Journal of Infection in Developing Countries
mcr-1
chicken
ESBL
title Multi Drug resistant Organisms in Chicken farms and their Surrounding Environment
title_full Multi Drug resistant Organisms in Chicken farms and their Surrounding Environment
title_fullStr Multi Drug resistant Organisms in Chicken farms and their Surrounding Environment
title_full_unstemmed Multi Drug resistant Organisms in Chicken farms and their Surrounding Environment
title_short Multi Drug resistant Organisms in Chicken farms and their Surrounding Environment
title_sort multi drug resistant organisms in chicken farms and their surrounding environment
topic mcr-1
chicken
ESBL
url https://jidc.org/index.php/journal/article/view/10041
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AT basselelbazzal multidrugresistantorganismsinchickenfarmsandtheirsurroundingenvironment
AT ahmadsleiman multidrugresistantorganismsinchickenfarmsandtheirsurroundingenvironment
AT jeanmarcrolain multidrugresistantorganismsinchickenfarmsandtheirsurroundingenvironment
AT ziaddaoud multidrugresistantorganismsinchickenfarmsandtheirsurroundingenvironment