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Journals
Microorganisms
Special Issues
Antimicrobial Resistance and the Use of Antibiotics in Animals
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Antimicrobial Resistance and the Use of Antibiotics in Animals

A special issue of Microorganisms (ISSN 2076-2607). This special issue belongs to the section "Antimicrobial Agents and Resistance".

Deadline for manuscript submissions: 30 May 2024 | Viewed by 907

Special Issue Editor

Dr. Xiaoping Ma

E-Mail Website
Guest Editor
College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, China
Interests: clinical veterinary medicine; veterinary fungal pathogenesis; resistance mechanisms; diagnostic methods

Special Issue Information

Dear Colleagues,

Antimicrobial resistance (AMR) has emerged as a global threat, jeopardizing human and animal health, food security, and the effectiveness of medical interventions. The Special Issue on "Antimicrobial Resistance and the Use of Antibiotics in Animals" aims to present recent research on the critical issue of antimicrobial resistance (AMR) and its relationship with the use of antibiotics in animal agriculture.

Some of its focal points include, but are not limited to, the following:

  1. The mechanisms and drivers of AMR in animal populations;
  2. The impact of antibiotic use in veterinary medicine, livestock production, and aquaculture;
  3. The role of farm management practices, including biosecurity measures and alternative approaches (such as vaccination and probiotics), in mitigating AMR risks.

Through this Special Issue, we aim to raise awareness, promote knowledge exchange, and stimulate innovative strategies and solutions to combat AMR in animal populations.  Reviews, original research, and communications will be welcome.

Dr. Xiaoping Ma
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Microorganisms is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2700 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • antimicrobial resistance
  • animal infectious diseases
  • antibiotics in animals
  • agriculture
  • veterinary microbiology
  • zoonotic diseases

Published Papers (1 paper)

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Research

12 pages, 1824 KiB  
Article
Characterization of Extended-Spectrum β-Lactamase-Producing Escherichia coli in Animal Farms in Hunan Province, China
by Ning Xiao, Yujuan Li, Hongguang Lin, Jie Yang, Gang Xiao, Zonghan Jiang, Yunqiang Zhang, Wenxin Chen, Pengcheng Zhou, Zhiliang Sun and Jiyun Li
Microorganisms 2024, 12(4), 653; https://doi.org/10.3390/microorganisms12040653 - 26 Mar 2024
Viewed by 743
Abstract
Multi-drug resistance of bacteria producing extended-spectrum β-lactamase (ESBL) is a public health challenge. Thus, this study aimed to investigate the antimicrobial susceptibility of ESBL-producing Escherichia coli (ESBL-EC) in Hunan Province, China. A total of 1366 fecal samples were collected from pig, chicken, and [...] Read more.
Multi-drug resistance of bacteria producing extended-spectrum β-lactamase (ESBL) is a public health challenge. Thus, this study aimed to investigate the antimicrobial susceptibility of ESBL-producing Escherichia coli (ESBL-EC) in Hunan Province, China. A total of 1366 fecal samples were collected from pig, chicken, and cattle farms over a six-year period, which were assessed using strain isolation, 16S rRNA identification, polymerase chain reaction, drug sensitivity testing, whole-genome sequencing, and bioinformatics analysis. The results showed an overall prevalence of 6.66% for ESBL-EC strains, with ESBL positivity extents for pigs, chickens, and cattle isolates at 6.77%, 6.54%, and 12.5%, respectively. Most ESBL-EC isolates were resistant to cefotaxime, tetracycline, and trimethoprim-sulfamethoxazole; however, all the isolates were susceptible to meropenem, with relatively low resistance to amikacin and tigecycline. Various multi-locus sequence types with different origins and similar affinities were identified, with ST155 (n = 16) being the most common subtype. Several types of resistance genes were identified among the 91 positive strains, with beta-lactamase blaCTX-M-55 being the most common ESBL genotype. IncFIB was the predominant plasmid type. Widespread use of antibiotics in animal farming may increase antibiotic resistance, posing a serious threat to the health of farmed animals and, thus, to human food security and health. Full article
(This article belongs to the Special Issue Antimicrobial Resistance and the Use of Antibiotics in Animals)
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