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Chlamydial infections in free-ranging raptors presenting to a university veterinary medical teaching hospital (1993-2022).
Am J Vet Res
January 2025
Infectious Disease Laboratory, College of Veterinary Medicine, University of Georgia, Athens, GA.
Objective: To describe the prevalence, clinical findings, lesions, and risk factors associated with chlamydial infections in free-ranging raptors presented to a university veterinary medical teaching hospital.
Methods: Medical records retrospectively searched for raptors admitted from January 1993 through April 2022 were tested for Chlamydia spp infections using quantitative PCR (qPCR), immunohistochemistry, culture, and sequencing. Findings were collected and analyzed.
Based on network pharmacology and molecular docking, the mechanism of action of Chinese herbal compound on mycoplasma synovial sac of chicken was studied.
Microb Pathog
February 2025
Animal Disease Prevention and Control and Healthy Breeding Engineering Technology Research Center, Mianyang Normal University, Mianyang, Sichuan, 621000, China; Sichuan Major Swine Disease Monitoring and Control Engineering Research Center, Mianyang, Sichuan, 621000, China. Electronic address:
Mycoplasma synoviae (MS) is a wall-less pathogen primarily transmitted through the respiratory tract, causing synovitis and airsacculitis in poultry, which leads to substantial economic losses in the poultry industry. China has a long-standing tradition of Chinese medicine with abundant medicinal resources, renowned for its safety, efficacy, and holistic regulatory effects. This study aims to screen a traditional Chinese medicine (TCM) compound with anti-inflammatory and immunoregulatory properties and preliminarily validate its in vitro efficacy against MS infections.
View Article and Find Full Text PDFThe multifaceted role of TolA protein in promoting survival, biofilm formation and virulence of avian pathogenic Escherichia coli.
Poult Sci
October 2024
Institute of Agricultural Science and Technology Development, College of Veterinary Medicine, Yangzhou University, Yangzhou, China; Jiangsu Co-Innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou, China; Key Laboratory of Avian Bioproduct Development, Ministry of Agriculture and Rural Affairs, Yangzhou, China; Institutes of Agricultural Science and Technology Development, Yangzhou University, Yangzhou, China. Electronic address:
Avian pathogenic Escherichia coli (APEC) can spread beyond the intestines and cause systemic infections, leading to various clinical manifestations, including airsacculitis, pericarditis, perihepatitis and colisepticemia. The mechanisms facilitating this extraintestinal infections are not fully understood. In this study, we investigate how the tolA gene affects APEC virulence by encoding a protein involved in maintaining outer membrane integrity.
View Article and Find Full Text PDFPopulation dynamics and characteristics of from healthy poultry in Norway.
Front Microbiol
May 2023
Section for Food Safety and Animal Health, Norwegian Veterinary Institute, Ås, Norway.
is an important opportunistic pathogen widely studied in relation to human infection and colonization. However, there is a lack of knowledge regarding other niches that may inhabit. isolated from healthy broiler and turkey flocks in Norway in 2018 have previously been described with regard to population structure, sequence types (STs), and the presence of virulence- and antimicrobial resistance (AMR) genes.
View Article and Find Full Text PDFDramatic increase in slaughter condemnations due to Escherichia coli ST23 and ST101 within the Danish broiler production.
Vet Microbiol
May 2023
Statens Serum Institut, Department of Bacteria, Parasites and Fungi, Artillerivej 5, 2300 Copenhagen, Denmark.
Escherichia coli constitutes a major challenge to poultry even when the prevalence of colibacillosis is low. Additionally, specific E. coli strains can severely enhance the detrimental effects on productivity, animal welfare and antimicrobial use.
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