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Genome Characterization of Mammalian Orthoreovirus and Porcine Epidemic Diarrhea Virus Isolated from the Same Fattening Pig.
Animals (Basel)
January 2025
Department of Preventive Veterinary Medicine, College of Veterinary Medicine, Northwest A&F University, Yangling 712100, China.
In 2020, severe diarrhea occurred in four-month-old fattening pigs from nine farms in Shandong Province, China. Fecal samples were collected from diseased pigs and tested by PCR for the presence of mammalian orthoreovirus (MRV), porcine epidemic diarrhea virus (PEDV), porcine deltacoronavirus (PDCoV), porcine rotavirus A (PoRVA), transmissible gastroenteritis virus (TGEV), porcine kobuvirus (PKV), and pseudorabies virus (PRV). The viral RNA of MRV and PEDV was detected in the fecal samples.
View Article and Find Full Text PDFCharacterization and pathogenicity of a novel avian orthoreovirus in China.
Front Microbiol
January 2025
College of Animal Science, South China Agricultural University, Guangzhou, China.
Introduction: Avian orthoreovirus (ARV) is a significant pathogen causing viral arthritis, leading to substantial economic losses in the poultry industry worldwide.
Methods: A novel ARV strain, designated FJ202311, was isolated from a broiler farm in Fujian Province, China. Whole-genome sequencing was conducted using next-generation sequencing with MGI technology, and phylogenetic analysis of the sigma C amino acid sequence was performed.
Isolation, identification and genetic variation analysis of avian orthoreovirus in commercial broilers in China from 2016 to 2021.
Avian Pathol
January 2025
College of Animal Science and Technology, Shandong Agricultural University, Tai'an, Shandong, People's Republic of China.
In the last decade, the emergence of variant strains of avian orthoreovirus (ARV) has caused an enormous economic impact on the poultry industry across China and other countries. This study aimed to evaluate the molecular evolution of the ARV lineages detected in Chinese commercial broiler farms. Firstly, ARV isolation and identification of commercial broiler arthritis cases from different provinces in China from 2016 to 2021 were conducted.
View Article and Find Full Text PDFHigh mortality in bobwhite quail chicks () (35%-85%) was reported from a grower flock in Iowa during July and August of 2022. Two diagnostic submissions of dead, 3-day-old quail chicks were received. Postmortem examination revealed multifocal, pinpoint, pale tan foci in the liver of all birds.
View Article and Find Full Text PDFAvian reovirus infection in turkeys with neurological disease in Alberta.
Can Vet J
December 2024
Diagnostic Services Unit, Faculty of Veterinary Medicine, University of Calgary, 11877 85th Street NW, Calgary, Alberta T3R 1J3 (Gupta, Zachar); Prairie Livestock Veterinarians, #1 4940 81st Street, Red Deer, Alberta T4P 3V3 (Bowling, Girard); Animal Health Laboratory, University of Guelph, 50 Stone Road East, Guelph, Ontario N1G 2W1 (Ojkic).
Avian reoviruses (ARVs) are ubiquitous and play a role in diseases affecting various organs in chickens and turkeys. In recent years, tenosynovitis and lameness emerged as the most frequently reported clinical conditions. In this report, we describe a case of neurological disease associated with ARV infection in 4-week-old turkeys in Alberta.
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