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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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.
First detection and diversity of astroviruses in wild migratory birds of Sakhalin Island, North Pacific.
Virus Genes
December 2024
Federal Research Center of Fundamental and Translational Medicine, Timakova Str.2, Novosibirsk, 630117, Russia.
Researchers have identified Avastrovirus as a significant genus of bird viruses, linked to various avian diseases such as enteritis, growth retardation, nephritis and hepatitis. These infections can cause substantial economic losses in agrocultureand have a widespread impact on global food production. Although there have been numerous studies on these viruses, most of them-mainly focuses on poultry.
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- The study investigates Avian nephritis virus (ANV) in poultry, focusing on its genetic features in India, where such information has been limited.
- Researchers screened 386 intestinal samples from two north Indian states and confirmed ANV presence in 32 samples, with some showing co-infections with other viruses.
- The successful isolation of the virus and sequencing of its genome marked the identification of ANV genotype 4 (ANV4) in India, highlighting the need for improved diagnostic tools and vaccines for better managing this pathogen.
Radix Isatidis polysaccharide (RIP) alleviates QX-genotype infectious bronchitis virus-induced interstitial nephritis through the Nrf2/NLRP3/Caspase-3 signaling pathway.
Int J Biol Macromol
October 2024
College of Veterinary Medicine, Sichuan Agricultural University, Wenjiang, Chengdu, Sichuan 611130, China; Key Laboratory of Agricultural Bioinformatics, Ministry of Education, Sichuan Agricultural University, Wenjiang, Chengdu, Sichuan 611130, China. Electronic address:
Interstitial nephritis is the primary cause of mortality in IBV-infected chickens. Our previous research has demonstrated that Radix Isatidis polysaccharide (RIP) could alleviate this form of interstitial nephritis. To explore the mechanism, SPF chickens and chicken embryonic kidney cells (CEKs) were pre-treated with RIP and subsequently infected with QX-genotype IBV strain.
View Article and Find Full Text PDFOutbreak of Infection in a Commercial Psittacine Breeding Aviary in Argentina.
Animals (Basel)
July 2024
California Animal Health and Food Safety Laboratory, School of Veterinary Medicine, University of California Davis, San Bernardino, CA 92408, USA.
Chlamydiosis, caused by is a bacterial infection found in at least 465 species of birds worldwide. It is highly contagious among birds and can spread to humans. In birds, the disease can manifest itself in acute, subacute, and chronic forms with signs including anorexia, diarrhea, lethargy, weight loss, or, occasionally, mucopurulent or serous oculonasal discharge.
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