Salmonella and Salmonellosis: Implications in Public Health

A special issue of Animals (ISSN 2076-2615).

Deadline for manuscript submissions: 15 September 2024 | Viewed by 7616

Special Issue Editors


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Guest Editor
Animal Health Department, Veterinary Faculty, University of Cordoba, Cordoba, Spain
Interests: Salmonella and salmonellosis; food-borne pathogens; antimicrobial resistance; zoonoses; emergence diseases

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Guest Editor
Animal Health Department, Veterinary Faculty, University of Cordoba, Cordoba, Spain
Interests: domestic and wild animal infectious diseases; antimicrobial resistance; genetic analysis; food-borne pathogens; zoonoses

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Guest Editor
Food Science and Technology Department, Veterinary Faculty, University of Cordoba, Cordoba, Spain
Interests: predictive microbiology models; quantitative microbial risk assessment; antimicrobial resistance; food shelf-life; biopreservation
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Special Issue Information

Dear Colleagues,

Salmonella is one of the most important zoonotic pathogen agents causing an estimated number of 93.8 million cases of gastroenteritis worldwide annually, with 155,000 deaths. Efforts to reduce transmission of Salmonella by food and other routes must be implemented on a global scale.

Salmonellosis control strategies are based on two fundamental aspects: (a) the reduction of prevalence levels in animals, and (b) the protection of infection in humans. For that reason, this Special Issue will be focused on Salmonella and its relationship between Animal and Public Health. The Issue scope must be Salmonella and salmonellosis along the food-borne chain, from farm to fork. And the aim is to update the status of Salmonella in the world with special reference to its implications on Public Health.

We strongly believe that this Issue can be an opportunity to collect significant and relevant information with an integral approach on Animal Health, on Public Health and the relationship between both.

The topics of this Special Issue include, but are not limited to:

1) Interactions between Salmonella, hosts, and microbiota.
2) New tools for Salmonella detection, characterization and typing.
3) Whole genome sequencing and comparative genomics.
4) Ecology and epidemiology along the food chain.
5) Risk assessment and control strategies.
6) Epidemiology and Public Health.
7) Control and prevention of Salmonella; feeding and non-feeding strategies.
8) Salmonella and biosecurity.
9) New vaccine candidates.

Prof. Dr. Rafael Jesús Astorga
Dr. Angela Galán Relaño
Prof. Dr. Antonio Valero Díaz
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

  • Salmonella and salmonellosis
  • characterization and typing
  • epidemiology and public health
  • food chain
  • antimicrobial resistance
  • risk assessment
  • control strategies
  • one health

Published Papers (4 papers)

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Research

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17 pages, 2485 KiB  
Article
Risk Factors for Salmonella Detection in Commercial Layer Flocks in Spain
by Clara Samper-Cativiela, Maria Esther Prieto, Soledad Collado, Cristina De Frutos, Adam J. Branscum, Jose Luis Saez and Julio Alvarez
Animals 2023, 13(20), 3181; https://doi.org/10.3390/ani13203181 - 12 Oct 2023
Cited by 1 | Viewed by 1018
Abstract
Trends in Salmonella human infections are assumed to be related to the distribution of the pathogen in the animal reservoir/food products, and cases in humans are most often linked to poultry and poultry products (eggs, meat). Therefore, ongoing Salmonella national control programs (NCPs) [...] Read more.
Trends in Salmonella human infections are assumed to be related to the distribution of the pathogen in the animal reservoir/food products, and cases in humans are most often linked to poultry and poultry products (eggs, meat). Therefore, ongoing Salmonella national control programs (NCPs) in European Union Member States have the objective of monitoring and reducing its prevalence in commercial poultry flocks. Results from NCPs have shown certain factors (housing systems, season of sampling and if sampling is conducted by food business operators (FBOps) or competent authorities (CAs), among others) can influence detection rates, but associations are often not consistent. Here, we analyzed data from the Spanish NCP on 7216 laying hen flocks subjected to 36,193 sampling events over a six-year period to characterize its performance and identify variables influencing detection rates. Overall, 1205 sampling events were positive for Salmonella spp. (any serovar) and 132 for S. Enteritidis-S. Typhimurium/monophasic. Bayesian multivariable models adjusting for multiple covariates concluded that sampling events later in the year, in caged flocks with older animals and conducted by CAs had increased odds of positivity for Salmonella spp., revealing aspects linked with a differential estimation of Salmonella levels in laying hen flocks. Full article
(This article belongs to the Special Issue Salmonella and Salmonellosis: Implications in Public Health)
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Review

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15 pages, 747 KiB  
Review
Salmonella Control in Swine: A Thoughtful Discussion of the Pre- and Post-Harvest Control Approaches in Industrialized Countries
by Ana Carvajal, Melvin Kramer and Héctor Argüello
Animals 2024, 14(7), 1035; https://doi.org/10.3390/ani14071035 - 28 Mar 2024
Viewed by 700
Abstract
Pork is among the major sources of human salmonellosis in developed countries. Since the 1990s, different surveys and cross-sectional studies, both national and international (i.e., the baseline studies performed in the European Union), have revealed and confirmed the widespread non-typhoidal Salmonella serotypes in [...] Read more.
Pork is among the major sources of human salmonellosis in developed countries. Since the 1990s, different surveys and cross-sectional studies, both national and international (i.e., the baseline studies performed in the European Union), have revealed and confirmed the widespread non-typhoidal Salmonella serotypes in pigs. A number of countries have implemented control programs with different approaches and degrees of success. The efforts could be implemented either at farms, in post-harvest stages, or both. The current review revises the current state of the art in Salmonella in swine, the control programs ongoing or conducted in the past, and their strengths and failures, with particular attention to the weight of pre- and post-harvest control and the implications that both have for the success of interventions or mitigation after outbreaks. This review provides a novel perspective on Salmonella control in swine, a matter that still includes uncertainties and room for improvement as a question of public health and One Health. Full article
(This article belongs to the Special Issue Salmonella and Salmonellosis: Implications in Public Health)
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22 pages, 1153 KiB  
Review
Phage-Based Biosanitation Strategies for Minimizing Persistent Salmonella and Campylobacter Bacteria in Poultry
by Jaume Jordá, Laura Lorenzo-Rebenaque, Laura Montoro-Dasi, Ana Marco-Fuertes, Santiago Vega and Clara Marin
Animals 2023, 13(24), 3826; https://doi.org/10.3390/ani13243826 - 12 Dec 2023
Cited by 2 | Viewed by 2071
Abstract
Control strategies to minimize pathogenic bacteria in food animal production are one of the key components in ensuring safer food for consumers. The most significant challenges confronting the food industry, particularly in the major poultry and swine sectors, are antibiotic resistance and resistance [...] Read more.
Control strategies to minimize pathogenic bacteria in food animal production are one of the key components in ensuring safer food for consumers. The most significant challenges confronting the food industry, particularly in the major poultry and swine sectors, are antibiotic resistance and resistance to cleaning and disinfection in zoonotic bacteria. In this context, bacteriophages have emerged as a promising tool for zoonotic bacteria control in the food industry, from animals and farm facilities to the final product. Phages are viruses that infect bacteria, with several advantages as a biocontrol agent such as high specificity, self-replication, self-limitation, continuous adaptation, low inherent toxicity and easy isolation. Their development as a biocontrol agent is of particular interest, as it would allow the application of a promising and even necessary “green” technology to combat pathogenic bacteria in the environment. However, bacteriophage applications have limitations, including selecting appropriate phages, legal restrictions, purification, dosage determination and bacterial resistance. Overcoming these limitations is crucial to enhance phage therapy’s effectiveness against zoonotic bacteria in poultry. Thus, this review aims to provide a comprehensive view of the phage-biosanitation strategies for minimizing persistent Salmonella and Campylobacter bacteria in poultry. Full article
(This article belongs to the Special Issue Salmonella and Salmonellosis: Implications in Public Health)
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22 pages, 1071 KiB  
Review
Salmonella and Salmonellosis: An Update on Public Health Implications and Control Strategies
by Ángela Galán-Relaño, Antonio Valero Díaz, Belén Huerta Lorenzo, Lidia Gómez-Gascón, M.ª Ángeles Mena Rodríguez, Elena Carrasco Jiménez, Fernando Pérez Rodríguez and Rafael J. Astorga Márquez
Animals 2023, 13(23), 3666; https://doi.org/10.3390/ani13233666 - 27 Nov 2023
Cited by 4 | Viewed by 3240
Abstract
Salmonellosis is globally recognized as one of the leading causes of acute human bacterial gastroenteritis resulting from the consumption of animal-derived products, particularly those derived from the poultry and pig industry. Salmonella spp. is generally associated with self-limiting gastrointestinal symptoms, lasting between 2 [...] Read more.
Salmonellosis is globally recognized as one of the leading causes of acute human bacterial gastroenteritis resulting from the consumption of animal-derived products, particularly those derived from the poultry and pig industry. Salmonella spp. is generally associated with self-limiting gastrointestinal symptoms, lasting between 2 and 7 days, which can vary from mild to severe. The bacteria can also spread in the bloodstream, causing sepsis and requiring effective antimicrobial therapy; however, sepsis rarely occurs. Salmonellosis control strategies are based on two fundamental aspects: (a) the reduction of prevalence levels in animals by means of health, biosecurity, or food strategies and (b) protection against infection in humans. At the food chain level, the prevention of salmonellosis requires a comprehensive approach at farm, manufacturing, distribution, and consumer levels. Proper handling of food, avoiding cross-contamination, and thorough cooking can reduce the risk and ensure the safety of food. Efforts to reduce transmission of Salmonella by food and other routes must be implemented using a One Health approach. Therefore, in this review we provide an update on Salmonella, one of the main zoonotic pathogens, emphasizing its relationship with animal and public health. We carry out a review on different topics about Salmonella and salmonellosis, with a special emphasis on epidemiology and public health, microbial behavior along the food chain, predictive microbiology principles, antimicrobial resistance, and control strategies. Full article
(This article belongs to the Special Issue Salmonella and Salmonellosis: Implications in Public Health)
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