Microbial and antibiotic resistant E. coli contamination in retail eggs produced by alternative and conventional rearing methods

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dc.contributor.authorGüran, Hüsnü Şahan
dc.contributor.authorEsen, S.
dc.contributor.authorAlali, Walid Q.
dc.contributor.orcid0000-0001-5011-1380
dc.contributor.orcid0000-0002-6674-5510
dc.date.accessioned2024-04-24T17:15:10Z
dc.date.available2024-04-24T17:15:10Z
dc.date.issued2023
dc.departmentDicle Üniversitesi, Veteriner Fakültesi, Besin-Gıda Hijyeni ve Teknolojiisi Bölümü, Besin-Gıda Hijyeni ve Teknolojiisi Ana Bilim Dalıen_US
dc.description.abstractThe aims of this study were to determine: i) the presence of total mesophilic aerobic bacteria (TMAB), total psychrophilic aerobic bacteria (TPAB) coliform, E. coli, Enterobacteriaceae and Salmonella in retail eggs pro-duced in different poultry rearing systems, ii) Enterobacteriaceae species diversity, and iii) antibiotic resistance profile of E. coli isolates. A total of 350 retail eggs produced by four different rearing systems [organic (n= 100), free-range (n= 100), barn (n= 50) and conventional-cage (n=100)] were collected and characterized microbiologically. Out of the 350 eggs tested, the eggshell surface samples were contaminated, with TMAB, TPAB, coliform, E. coli and Enterobac-teriaceae at positive percentages of 100%, 100%, 49.1%, 18.6% and 38%, respectively. The positive percentage of co-liform, E. coli and Enterobacteriaceae were statistically significant between rearing systems (P<0.05). However, only mean numbers of TMAB were statistically significant between rearing systems (P<0.05). The contamination percent positive of crushed eggshell samples, with TMAB, TPAB, coliform, E. coli and Enterobacteriaceae were 100%, 100%, 50%, 33.7% and 42.5%, respectively. Salmonella was detected from only one Enterobacteriaceae isolate obtained from an organic eggshell pool but not from eggshell surfaces or egg yolks. A total of 35 E. coli isolates were recovered from Enterobacteriaceae isolates. Twelve (34.3%) of them exhibited resistance to at least one antibiotic tested. The dominant type of resistance was to ampicillin detected in all 12 E. coli isolates. This study provides valuable baseline data of the occurrence of species diversity of Enterobacteriaceae and antibiotic resistant E. coli in retail eggs produced by alterna-tive or conventional-caged rearing methods which can be used for future risk assessments.en_US
dc.description.sponsorshipDicle University Scientific Re- search Projects Coordination Unit [DUBAP/Veteriner.18.004]en_US
dc.description.sponsorshipACKNOWLEDGEMENT Data relating to determination of the microbio- logical profile in this study belongs to Sukran Esen?s M.Sc. thesis. Sukran Esen?s M.Sc. thesis was finan- cially supported by Dicle University Scientific Re- search Projects Coordination Unit (Project number: DUBAP/Veteriner.18.004) .en_US
dc.identifier.citationGüran, H. Ş., Esen, S. ve Alali, W. Q. (2023). Microbial and antibiotic resistant E. coli contamination in retail eggs produced by alternative and conventional rearing methods. Journal of the Hellenic Veterinary Medical Society, 74(1), 5155-5164.
dc.identifier.doi10.12681/jhvms.27918
dc.identifier.endpage5164en_US
dc.identifier.issn1792-2720
dc.identifier.issue1en_US
dc.identifier.scopus2-s2.0-85193812762en_US
dc.identifier.startpage5155en_US
dc.identifier.urihttps://doi.org/10.12681/jhvms.27918
dc.identifier.urihttps://hdl.handle.net/11468/18359
dc.identifier.urihttps://ejournals.epublishing.ekt.gr/index.php/jhvms/article/view/27918
dc.identifier.volume74en_US
dc.identifier.wosWOS:000974582400009
dc.identifier.wosqualityN/A
dc.indekslendigikaynakWeb of Science
dc.institutionauthorEsen, S.
dc.institutionauthorGüran, Hüsnü Şahan
dc.language.isoenen_US
dc.publisherHellenic Veterinary Medical Socen_US
dc.relation.ispartofJournal of The Hellenic Veterinary Medical Societyen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectRetail eggen_US
dc.subjectRearing systemen_US
dc.subjectMicrobial contaminationen_US
dc.subjectEen_US
dc.subjectColien_US
dc.subjectAntibiotic resistanceen_US
dc.titleMicrobial and antibiotic resistant E. coli contamination in retail eggs produced by alternative and conventional rearing methodsen_US
dc.typeArticleen_US

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