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Animals
Special Issues
Infectious Diseases in Farm Animals
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Infectious Diseases in Farm Animals

A special issue of Animals (ISSN 2076-2615). This special issue belongs to the section "Veterinary Clinical Studies".

Deadline for manuscript submissions: closed (31 July 2022) | Viewed by 3120

Special Issue Editors

Dr. Nektarios D Giadinis

E-Mail Website
Guest Editor
School of Veterinary Medicine, Aristotle University of Thessaloniki, Thessaloniki, Greece
Interests: small ruminant medicine; ruminant medicine; infectious diseases; metabolic diseases; parasitic diseases
Dr. Evanthia Petridou

E-Mail Website
Guest Editor
School of Veterinary Medicine, Aristotle University of Thessaloniki, Thessaloniki, Greece
Interests: infectious diseases; clinical veterinary microbiology; bacteriology; zoonotic diseases; antibiotic resistance

Special Issue Information

Dear Colleagues,

We are pleased to inform you of a Special Issue entitled “Infectious Diseases in Farm Animals”. Infectious diseases, particularly zoonotic ones, have clear importance in our current society with regards to the economics of local and international animal farming, food safety and Public Health. There is a global demand for further and intensive research on this subject. Understanding how pathogenic agents are transmitted among animals or from animals to humans, as well as their pathogenicity, will lead to effective preventive measures with tangible benefits.

This Special Issue aims to gather original manuscripts focused on infectious diseases’ etiology, pathogenesis, clinicopathological findings, diagnosis, treatment and control. Interesting case reports will also be considered for publication.

Dr. Nektarios D Giadinis
Dr. Evanthia Petridou
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. Animals is an international peer-reviewed open access semimonthly 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 2400 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

  • cattle
  • small ruminants
  • swine
  • poultry
  • infectious diseases
  • zoonotic diseases antibiotic resistance

Published Papers (1 paper)

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Research

11 pages, 597 KiB  
Article
Longitudinal Study Detects the Co-Carriage of ESBL and mcr-1 and -4 Genes in Escherichia coli Strains in a Portuguese Farrow-to-Finish Swine Herd
by Tiago Lima, Laura Fernandes, Marta Matias, Ana Mateus, Eduarda Silveira, Sara Domingues, Constança Pomba and Gabriela Jorge Da Silva
Animals 2022, 12(17), 2209; https://doi.org/10.3390/ani12172209 - 27 Aug 2022
Cited by 3 | Viewed by 2530
Abstract
Cephalosporins and polymyxins are employed in antimicrobial protocols to control and treat neonatal infections and post-weaning diarrhoea in swine operations. We conducted a longitudinal study to evaluate the colonization and transmission of antibiotic–resistant Escherichia coli in sows and their piglets in a farrow-to-finish [...] Read more.
Cephalosporins and polymyxins are employed in antimicrobial protocols to control and treat neonatal infections and post-weaning diarrhoea in swine operations. We conducted a longitudinal study to evaluate the colonization and transmission of antibiotic–resistant Escherichia coli in sows and their piglets in a farrow-to-finish operation, focusing on characterization of Extended Spectrum Beta-Lactamase (ESBL) and mcr genes, virulence traits and genetic relatedness. A total of 293 E. coli isolates were obtained from faecal samples collected in five time points. At birth blaCTX-M-1group cluster was detected in E. coli isolates from 9 sows and 49 piglets (73.41%), while in the following four’ piglets sampling moments it was detected in 91.8%, 57.6%, 71.4% and 97.4%. The gene mcr-1 was detected in E. coli from one sow and from three piglets from different litters at birth and increased in the first weeks of piglet life (68.85%, 100%, 90% and 8.1%). A new mcr-4 allele, mcr-4.7, was identified in 3.28%, 28.57%, 7.5% of E. coli isolates. Most mcr-positive E. coli isolates (96,7%) carried blaCTX-M-1Group genes and 93,33% carried both mcr-4 and mcr-1. CTX-M-1 and CTX-M-32 were the most predominant ESBLs. Plasmids belonged to IncI1, IncF and IncN groups. Most isolates belong to phylogenetic group B1; PAI IV536 marker was detected in nine isolates. The strains were kept in the different stages of the piglets’ life. The use of ceftiofur and colistin may explain the high prevalence and co-selection of blaCTX-M-1Group and mcr-1 and/or -4 genes, contributing to the maintenance of resistant and virulent isolates throughout the pig life cycle that may reach the food chain. Full article
(This article belongs to the Special Issue Infectious Diseases in Farm Animals)
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