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Identified the role of the hatchery in astrovirus transmission.Sequenced the avian nephritis virus complete genome.Investigated tissue distribution of astrovirus from egg to chicks.Demonstrated co-infection of ANV/CAstV.
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http://dx.doi.org/10.1080/03079457.2024.2365249 | DOI Listing |
Front Vet Sci
April 2025
Facultad de Ciencias de la Salud, Carrera de Medicina Veterinaria, Universidad de Las Américas, Quito, Ecuador.
In the poultry industry, intestinal diseases can lead to significant economic losses due to diarrhea, weight loss and mortality, often linked to viral infections. Chicken astrovirus (CAstV), avian nephritis virus (ANV), infection bronchitis virus (IBV), avian rotavirus A (AvRVA) and avian orthoreovirus (ARV) are key pathogens on this disease including feed malabsorption and runting-stunting syndrome (RSS). This study proposes a multiplex RT-qPCR assay for the simultaneous detection of these five viruses in chickens with enteritis in Ecuador.
View Article and Find Full Text PDFBMC Vet Res
March 2025
Facultad de Ciencias de la Salud, Carrera de Medicina Veterinaria, Universidad de Las Américas (UDLA), Antigua Vía a Nayón S/N, Quito, 170124, EC, Ecuador.
Background: Chicken meat production has expanded considerably on a global scale due to its ease of production compared to other species. As a result, the prevalence of avian viruses has grown. Chicken astrovirus (CAstV), an RNA virus with roughly 7 kb in length that is disseminated globally and exhibits both horizontal and vertical transmission, is one of the most important enteric pathogenic avian viruses.
View Article and Find Full Text PDFBMC Vet Res
March 2025
Department of Pathology, Division of Microbiology, Faculty of Veterinary Medicine, Wrocław University of Environmental and Life Sciences, Wrocław, Poland.
Background: The intensification of poultry production and the constantly growing number of geese flocks in Poland increases the risk of infectious diseases. The study aimed to determine the health status of commercial geese, with particular emphasis on infections with goose parvovirus (GPV), goose circovirus and goose hemorrhagic polyomavirus. The study monitored 27 geese flocks, ranging in size from 3,000 to 13,000 birds, over a two-year period.
View Article and Find Full Text PDFPLoS One
May 2025
Department of Medical Microbiology and Immunology, Medical School, University of Pécs, Pécs, Hungary.
The black-headed gull is the most common nesting gull species in Hungary. Based on the lifestyle and feeding habits of the black-headed gull, which is highly adapted to the human environment, they can be carriers and spreaders of potential human and other animal pathogens. Between 2014 and 2018 within the framework of the "Life Bird Ringing program" a total of 7 faecal samples were collected from gulls and one sample (MR04) was randomly selected for viral metagenomics and mass sequencing.
View Article and Find Full Text PDFVirus Genes
June 2025
State Key Laboratory of Swine and Poultry Breeding Industry & Heyuan Branch, Guangdong Provincial Laboratory of Lingnan Modern Agricultural Science and Technology, South China Agricultural University, Guangzhou, 510642, People's Republic of China.
Infectious bronchitis (IB) is a highly contagious disease caused by the avian infectious bronchitis virus (IBV). This disease mainly causes damage to the respiratory system and has brought serious harm to the poultry industry in China. At present, QX-like IBV is the most prevalent strain in China, which is highly pathogenic and causes severe nephritis.
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