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primary topic: Emergence of Extended-spectrum Beta-lactamase Producer and Colistin-resistant E. coli in Animal-origin Foods in Libya

Emergence of Extended-spectrum Beta-lactamase Producer and Colistin-resistant E. coli in Animal-origin Foods in Libya
type: AcademicArticle
type: Article
abstract: The increasing prevalence of Escherichia coli (E. coli) infection poses significant health challenges worldwide. Understanding the genetic, pathogenic, and antimicrobial resistance profiles of E. coli is crucial for effective diagnosis and treatment. The present study aimed to assess the prevalence and antimicrobial susceptibility patterns of E. coli isolated from different samples of food products from animals, with specific attention to identifying and characterizing extended-spectrum beta-lactamase (ESBL)-producing isolates. The present study analyzed 92 E. coli isolates obtained from 1120 food samples, including milk, dairy products, meat, and meat products, collected randomly from retail markets in Libya. The isolates were tested for antimicrobial susceptibility, and the antibiotic resistance profiles were evaluated using 32 antibiotics from 12 different classes. Multiple antibiotic resistance (MAR) and antibiotic resistance index were calculated, with MAR ≥ 0.2 indicating high antibiotic resistance. Isolates were categorized as multidrug resistant (MDR), extensively drug-resistant (XDR), or pan drug-resistant (PDR) based on standard definitions. The ESBL production was assessed using the double-disc synergy test, and colistin resistance was tested using the agar diffusion method. Antimicrobial susceptibility testing of E. coli isolates revealed 100% resistance to penicillin and cloxacillin, with high resistance rates observed against neomycin (93.4%), rifampicin (86.9%), and methicillin (75%). However, all isolates were susceptible to chloramphenicol, whereas carbapenems (imipenem, meropenem, ertapenem) indicated the lowest resistance (3.2%). Cefepime demonstrated the highest effectiveness among cephalosporins, with a resistance rate of 1.08%. The MAR ranged from 0.09 to 0.6, with the highest MAR value (0.6) observed in isolates resistant to 20 antibiotics. All isolates were MDR, but no XDR or PDR strains were detected. Among the 92 isolates, 43 were confirmed…
date: 2025-09-30
volume: 15
issue: 3
is part of: World’s Veterinary Journal
status: peerReviewed
status: published
author list: authors
type: EPrint
type: ArticleEPrint
is part of: repository
has document: Emergence of Extended-spectrum Beta-lactamase Producer and Colistin-resistant E. coli in Animal-origin Foods in Libya (Text)
has version: Emergence of Extended-spectrum Beta-lactamase Producer and Colistin-resistant E. coli in Animal-origin Foods in Libya (Text)
has published: Emergence of Extended-spectrum Beta-lactamase Producer and Colistin-resistant E. coli in Animal-origin Foods in Libya (Text)
subject: SF Animal culture

Emergence of Extended-spectrum Beta-lactamase Producer and Colistin-resistant E. coli in Animal-origin Foods in Libya (Text)
type: Document
has file: WVJ15(3)597-611,2025 (1).pdf
has part: WVJ15(3)597-611,2025 (1).pdf

Scienceline Publication
type: Organization

World’s Veterinary Journal
type: Collection
issn: 23224568

Samira Abd Allateef Farag
type: Person
given name: Samira
family name: Abd Allateef Farag

Salem Farhat Abureema
type: Person
given name: Salem
family name: Farhat Abureema

Jihan Ali Sherif
type: Person
given name: Jihan Ali
family name: Sherif

http://eprints.science-line.com/id/eprint/1579/
title: HTML Summary of #1579 <epc:when xmlns:epc="http://eprints.org/ep3/control" test="title">Emergence of Extended-spectrum Beta-lactamase Producer and Colistin-resistant E. coli in Animal-origin Foods in Libya</epc:when>
format: text/html
primary topic: Emergence of Extended-spectrum Beta-lactamase Producer and Colistin-resistant E. coli in Animal-origin Foods in Libya

SF Animal culture
type: Concept