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Antibiotics
Special Issues
Antimicrobial Resistance and Infections in Veterinary Settings
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Antimicrobial Resistance and Infections in Veterinary Settings

A special issue of Antibiotics (ISSN 2079-6382). This special issue belongs to the section "Antibiotics in Animal Health".

Deadline for manuscript submissions: 31 December 2024 | Viewed by 634

Special Issue Editors

Dr. Hatem Kittana

E-Mail Website
Guest Editor
Department of Diagnostic Medicine/Pathobiology, Kansas State University, Manhattan, KS 66506, USA
Interests: antimicrobial resistance; monitoring trends or emergence of antibiotic resistance in food animal respiratory & enteric pathogens and assessing host immune responses against these microorganisms; bacterial pathogenesis; diagnostic microbiology
Dr. Tamara Gull

E-Mail Website
Guest Editor
Veterinary Medical Diagnostic Laboratory, University of Missouri-Columbia, Columbia, MO 65211, USA
Interests: bacteriology; mycoplasma; respiratory disease of large animals; disaster preparedness and response

Special Issue Information

Dear Colleagues,

Since their discovery in 1928, antimicrobial products have played a crucial role in the fight against infectious diseases, and they provide substantial support to the health and well-being of animals and people worldwide. The application of antimicrobials in veterinary medicine and their use in animals (both companion and food-producing species) for fighting disease-causing microorganisms has significantly increased in the last few decades. The prolonged use and/or misuse of antimicrobial treatments in veterinary medicine can contribute to the emergence of antimicrobial resistance in bacteria and fungi. The acquisition of resistance to antimicrobials by microorganisms of veterinary and/or public health importance poses a direct threat to animal health and welfare, as well as adversely affecting the safety of our food supply. This could subsequently lead to major public health repercussions, including the potential zoonotic spread of multi-drug-resistant microorganisms from animals to humans and vice versa. This Special Issue seeks manuscript submissions (original research articles and reviews) that further our understanding of antimicrobial resistance in veterinary settings to continue supporting antimicrobial stewardship and preserving their effectiveness. Research areas may include, but are not limited to, the following topics: assessing trends or the emergence of antimicrobial resistance in disease-causing bacterial and fungal microorganisms originating from different animal species and comparing antimicrobial-resistant genes and phenotypes for clinical isolates of veterinary and/or public health importance.

I look forward to receiving your contributions.

Dr. Hatem Kittana
Dr. Tamara Gull
Guest Editors

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. Antibiotics 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 2900 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

  • veterinary medicine
  • antibiotics
  • antimicrobial resistance
  • infectious microorganims
  • food-producing animals
  • companion aniamls

Published Papers (1 paper)

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Research

14 pages, 2136 KiB  
Article
Detection of Salmonella Pathogenicity Islands and Antimicrobial-Resistant Genes in Salmonella enterica Serovars Enteritidis and Typhimurium Isolated from Broiler Chickens
by Tsepo Ramatla, Ntelekwane G. Khasapane, Lungile N. Mlangeni, Prudent Mokgokong, Taole Ramaili, Rendani Ndou, Jane S. Nkhebenyane, Kgaugelo Lekota and Oriel Thekisoe
Antibiotics 2024, 13(5), 458; https://0-doi-org.brum.beds.ac.uk/10.3390/antibiotics13050458 - 16 May 2024
Viewed by 289
Abstract
Rapid growth in commercial poultry production is one of the major sources of Salmonella infections that leads to human salmonellosis. The two main Salmonella enterica serovars associated with human salmonellosis are enteritidis and typhimurium. The aim of this study was to determine the [...] Read more.
Rapid growth in commercial poultry production is one of the major sources of Salmonella infections that leads to human salmonellosis. The two main Salmonella enterica serovars associated with human salmonellosis are enteritidis and typhimurium. The aim of this study was to determine the prevalence of S. enterica serovars Enteritidis and S. Typhimurium as well as their Salmonella pathogenicity islands (SPI) and antibiotic resistance profiles in broiler chicken feces from slaughterhouses. A total of 480 fecal samples from broiler chickens that were grouped into 96 pooled samples were identified to have Salmonella spp. using the invA gene, whilst the Spy and sdfI genes were used to screen for the presence of S. Enteritidis and S. Typhimurium serovars, respectively, by polymerase chain reaction (PCR) assays. The isolates were also screened for the presence of Salmonella pathogenicity islands (SPIs) using PCR. The disc diffusion assay was performed to determine the antibiotic resistance profiles of the isolates. A total of 36 isolates were confirmed as Salmonella spp. through amplification of the invA gene. Out of 36 confirmed Salmonella spp. a total of 22 isolates were classified as S. Enteritidis (n = 8) and were S. Typhimurium (n = 14) serovars. All (n = 22) S. Enteritidis and S. Typhimurium isolates possessed the hilA (SPI-1), ssrB (SPI-2) and pagC (SPI-11) pathogenicity islands genes. Amongst these serovars, 50% of the isolates (n = 11/22) were resistant to tetracycline and nalidixic acid. Only 22% of the isolates, S. Typhimurium (13.6%) and S. Enteritidis (9.1%) demonstrated resistance against three or more antibiotic classes. The most detected antibiotic resistance genes were tet(K), mcr-1, sulI and strA with 13 (59.1%), 9 (40.9%), 9 (40.9%) and 7 (31.8%), respectively. The findings of this study revealed that S. Typhimurium is the most prevalent serotype detected in chicken feces. To reduce the risk to human health posed by salmonellosis, a stringent public health and food safety policy is required. Full article
(This article belongs to the Special Issue Antimicrobial Resistance and Infections in Veterinary Settings)
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