Emerging Bacterial Pathogens in Veterinary Medicine

A special issue of Veterinary Sciences (ISSN 2306-7381). This special issue belongs to the section "Veterinary Microbiology, Parasitology and Immunology".

Deadline for manuscript submissions: 20 January 2026 | Viewed by 1221

Special Issue Editor

Istituto Zooprofilattico Sperimentale della Lombardia e dell’Emilia Romagna (IZSLER), Via Antonio Bianchi 9, 25124 Brescia, Italy
Interests: Leptospira; Mycobacterium; Salmonella; Yersinia
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

According to a definition by the US American ‘Centers for Disease Control and Prevention’, ‘emerging infectious diseases are diseases of infectious origin whose incidence has increased within the past two decades or threatens to increase in the near future’.

Among these infections, bacterial diseases, especially zoonoses, have a major impact on global public health, both in companion and food animals. The closer contact with companion animals and rapid socioeconomic changes in food production system has increased the number of animal-borne bacterial diseases.

Moreover, the incorrect use or overuse of antimicrobials in the treatment of bacterial infections has led to an increased antimicrobial resistance among bacterial pathogens affecting farm and companion animals; therefore, animals have become potential spreaders of resistant bacteria in their environment and, eventually, directly or indirectly (mainly through foods) to humans.

Last but not least, environmental changes, such as alterations in water ecosystems, floods, global warming, and deforestation, result in the emergence or spread of bacterial pathogens. Particularly, these changes can also alter the frequency of vector-borne disease occurrence by altering the habitats of the corresponding disease vectors.

This global context requires a multidisciplinary approach and, peculiarly, a One Health approach to combine efforts of physicians, vets, epidemiologists, and public health workers. This collaboration also needs adequate surveillance systems and strong laboratory capacity for continuous control and correct diagnosis, respectively.

In this Special Issue, we call on researchers to contribute their recent findings in the diagnosis and control of emerging bacterial infectious diseases with an impact on public health; submissions with a focus on new diagnostic techniques and antimicrobial resistance are particularly encouraged.

Dr. Mario D'Incau
Guest Editor

Manuscript Submission Information

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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. Veterinary Sciences 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 2100 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

  • bacterial disease
  • diagnosis
  • One Health
  • antimicrobial resistance
  • veterinary medicine

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Published Papers (2 papers)

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Review

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22 pages, 641 KB  
Review
Zoonotic Yersinia enterocolitica in Swine: One Health Implications for Food Safety and Public Health
by Sónia Saraiva, Juan García-Díez, Telma de Sousa, Rita Calouro, Diana Fernandes, Ana V. Mourão, Cristina Saraiva, João R. Mesquita, Ana C. Coelho and Patrícia Poeta
Vet. Sci. 2025, 12(9), 795; https://doi.org/10.3390/vetsci12090795 - 23 Aug 2025
Viewed by 290
Abstract
Y. enterocolitica is a cold-tolerant, foodborne pathogen that poses a significant risk to public health, with pigs identified as its main reservoir. This review explores the current knowledge on the epidemiology, transmission, and virulence of Y. enterocolitica in pigs, highlighting their central role [...] Read more.
Y. enterocolitica is a cold-tolerant, foodborne pathogen that poses a significant risk to public health, with pigs identified as its main reservoir. This review explores the current knowledge on the epidemiology, transmission, and virulence of Y. enterocolitica in pigs, highlighting their central role in spreading the bacterium to humans—primarily through the consumption of raw or undercooked pork. The pathogen is frequently found in pig tonsils and intestines and can contaminate meat during slaughter. Among the various strains, bioserotype 4/O:3 is the most common cause of human illness. Y. enterocolitica carries a diverse set of virulence genes, such as ail, yst, inv, and yad, and evades immune responses. The review also covers major outbreaks, risk factors on farms and in slaughterhouses, and the limitations of current surveillance systems. Reducing the impact of Y. enterocolitica requires a One Health approach linking animal health, food safety, and public health. Full article
(This article belongs to the Special Issue Emerging Bacterial Pathogens in Veterinary Medicine)
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Other

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9 pages, 1931 KB  
Brief Report
Establishment of a TaqMan Quantitative Real-Time PCR for Detecting Lawsonia intracellularis
by Zhiqiang Hu, Ranran Lai, Wei Xu, Ran Guan, Zhimin Zhang, Guangwen Yan and Guiying Hao
Vet. Sci. 2025, 12(5), 450; https://doi.org/10.3390/vetsci12050450 - 8 May 2025
Viewed by 592
Abstract
Porcine proliferative enteropathy (PPE) is an infectious disease in pigs, caused by Lawsonia intracellularis (LI), affecting their intestines during growth and finishing stages, leading to higher production costs. Current detection methods for LI face two main challenges, delayed results and high costs, making [...] Read more.
Porcine proliferative enteropathy (PPE) is an infectious disease in pigs, caused by Lawsonia intracellularis (LI), affecting their intestines during growth and finishing stages, leading to higher production costs. Current detection methods for LI face two main challenges, delayed results and high costs, making them impractical for large-scale pig farming epidemiological surveys. This study developed a TaqMan-qPCR method using specific probes and primers based on the LI aspartate ammonia lyase genes from GenBank, completing detection in just 45 min. After optimizing reaction conditions, sensitivity analysis revealed that the detection limit of this method was 4.6 copies/μL targeting standard plasmids. The results of the specificity analysis showed no cross-reactivity with other common porcine pathogens, highlighting its specificity. The inter- and intra-group coefficients of variation were both <1%, indicating high reproducibility. Furthermore, the TaqMan-qPCR demonstrated 100% relative sensitivity, and a 92.50% compliance rate compared to conventional PCR, suggesting it could be a complement to the conventional PCR method. In summary, the TaqMan-qPCR method established in this study is not only suitable for epidemiological investigations and early qualitative and quantitative diagnosis of proliferative enteropathy in pigs, but it is also valuable for studying the biological characteristics of LI. Full article
(This article belongs to the Special Issue Emerging Bacterial Pathogens in Veterinary Medicine)
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