Poultry Pathogens and Poultry Diseases, 3rd Edition

A special issue of Microorganisms (ISSN 2076-2607). This special issue belongs to the section "Veterinary Microbiology".

Deadline for manuscript submissions: 30 June 2026 | Viewed by 135

Special Issue Editors


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Guest Editor
Key Laboratory of Zoonosis Research, Ministry of Education, College of Veterinary Medicine, Jilin University, Xi’an Road 5333, Changchun 130062, China
Interests: poultry diseases; avian viruses; Newcastle disease virus; avian influenza virus; emerging avian pathogens
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Guest Editor
Faculty of Veterinary Medicine–Skopje, Ss. Cyril and Methodius University in Skopje, Lazar Pop Trajkov 5-7, 1000 Skopje, North Macedonia
Interests: avian viruses and diseases; molecular epidemiology; host-pathogen interaction
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Special Issue Information

Dear Colleagues,

This Special Issue is the continuation of our previous Special Issues, "Poultry Pathogens and Poultry Diseases" and “Poultry Pathogens and Poultry Diseases, 2nd Edition”.

Based on the number of animals, poultry represents the largest domestic animal stock in the world, and poultry eggs and meat supply affordable high-quality protein. Poultry husbandry, especially on a small scale, is efficient and renewable and can provide a ready source of nutrition and income. However, poultry diseases caused by various strains of pathogens, such as avian influenza, Newcastle disease, salmonellosis, and parasitic and fungal pathogens, can cause significant economic losses and even lead to life-threatening disease in animals and humans. Therefore, understanding poultry pathogens and effective strategies for preventing and controlling avian diseases are critical for protecting animals and people.

Poultry diseases, being very complex in nature, are a constant threat to poultry health and production. They can have transboundary characteristics, i.e., they can easily spread across borders through different routes (wild birds, trade, fomites) and can have a high socio-economic impact, affecting livelihoods in both poor and rich countries. Some pathogens are zoonotic and therefore have pandemic potential. Because of their importance, major poultry diseases (Highly Pathogenic Avian Influenza (HPAI), Low Pathogenic Avian Influenza (LPAI), Newcastle Disease (ND), Infectious Bronchitis (IB), Infectious Laryngotracheitis (ILT), Infectious Bursal Disease (IBD), Duck Virus Hepatitis (DVH), Turkey Rhinotracheitis (TRT), Avian Chlamydiosis, Mycoplasma Gallisepticum, Mycoplasma Synoviae, Fowl Typhoid, Pullorum Disease) are listed by the World Organization for Animal Health (https://www.woah.org/fileadmin/Home/eng/Health_standards/tahm/A_summry.htm). The detection of these diseases in a country, region, or continent will require the implementation of compulsory control measures, which highly affect the poultry industry. Due to their high mortality and decreases in production (of eggs and meat), they cause huge economic losses for poultry producers, thus impeding the trade and marketing of foods of animal origins. To alleviate these detrimental effects, highly focused research is needed.

The Special Issue, entitled " Poultry Pathogens and Poultry Diseases, 3rd Edition", aims to increase our knowledge by sharing the latest research in these areas. Its focal points include, but are not limited to, the following:

  • Works on avian diseases that are relevant to etiology, pathogenesis, diagnosis, treatment, control and eradication; 
  • Basic or clinical research on poultry pathogens and avian diseases from various disciplines including microbiology, immunology, pathology, and epidemiology, including molecular epidemiology and phylogenetic relationships as well as host–pathogen interaction;
  • Zoonotic pathogen and disease spread between poultry and people;
  • Reemerging and emerging infectious poultry pathogens and diseases;
  • Experimental novel disease prevention strategies;
  • Therapy alternatives to conventional medications such as probiotics, prebiotics and natural antimicrobials.

Reviews, original research articles, and short communications are welcome to be submitted.

Prof. Dr. Renfu Yin
Prof. Dr. Aleksandar Dodovski
Guest Editors

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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

  • poultry pathogens
  • poultry diseases
  • avian viruses and diseases

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Published Papers (1 paper)

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Research

13 pages, 35569 KB  
Article
Genetic Diversity and Emerging Trends of Mycoplasma synoviae in China: Insights from a 2024 Nationwide MLST Study
by Lu Tu, Xuesong Li, Yiming Liu, Xin Jin, Lijuan Yin, Xiaoling Wang, Qingfeng Zhou, Kai Wang and Youzhi Tang
Microorganisms 2026, 14(1), 257; https://doi.org/10.3390/microorganisms14010257 - 22 Jan 2026
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Abstract
Mycoplasma synoviae (MS) is a major pathogen threatening China’s poultry industry, causing severe economic losses, and clarifying its epidemiology is pivotal for disease control and flock purification. In this study, a total of 3215 chicken samples collected from 643 broiler farms across 15 [...] Read more.
Mycoplasma synoviae (MS) is a major pathogen threatening China’s poultry industry, causing severe economic losses, and clarifying its epidemiology is pivotal for disease control and flock purification. In this study, a total of 3215 chicken samples collected from 643 broiler farms across 15 provinces in China in 2024 were analyzed. PCR detected 14% positivity (450 samples), and 18 isolates obtained from these positive samples (4.0% isolation rate). Multilocus sequence typing (MLST, 7 housekeeping genes) and neighbor-joining phylogenetic analysis (integrating 425 reference sequences from public databases) identified 13 distinct sequence types (STs), demonstrating considerable genetic diversity among circulating MS strains. Pathogenicity assessment of the five isolates revealed that the infected chickens exhibited varying degrees of infectious synovitis, while no respiratory signs were observed. In addition, antimicrobial susceptibility testing against 10 commonly used antibiotics was conducted on the 18 strains, providing urgently needed guidance for rational drug use in the clinical treatment of both breeder and broiler flocks. This large-scale epidemiological study yields crucial insights into the current prevalence and genetic diversity of MS in China and lays a scientific foundation for formulating targeted prevention strategies and optimizing management practices. Full article
(This article belongs to the Special Issue Poultry Pathogens and Poultry Diseases, 3rd Edition)
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