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The present study offers the first description of proventriculitis associated with the presence of gravid female nematodes of the genus (Nematoda: Tetrameridae) in 3 juvenile Magellanic penguins () found dead on the coast of Brazil. This study broadens knowledge on parasites associated with these hosts and the real impact of this association.
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Viruses
April 2025
California Animal Health and Food Safety Laboratory System (CAHFS) Turlock Branch, School of Veterinary Medicine, University of California, Davis, CA 95380, USA.
Transmissible viral proventriculitis (TVP) and chicken proventricular necrosis virus (CPNV) affect the broiler industry globally and are emerging diseases of economic importance. Here, we present the findings of TVP from processed broiler carcasses in Argentina following marked condemnation at the processing plant. We studied a total of 122 abnormally presenting proventriculi at processing from 42-to-50-day-old, male Cobb500 broiler chicken carcasses from 11 farms belonging to the same company in 13 episodes of proventriculi-gizzards condemnation between December 2021 and April 2022.
View Article and Find Full Text PDFVet Res Commun
September 2023
Department of Pathology, Faculty of Veterinary Medicine, Cairo University, Giza, 12211, Egypt.
Chicken astroviruses (CAstV) were associated with retarded growth, enteritis, kidney diseases, and white chick syndrome. In the current study, we aimed to evaluate the effect of CAstV infection on growth, performance, and gross and histopathological picture of commercial chicken flocks suffering increased culling rate and decreased performance. Samples were collected for virus isolation, identification, and sequencing on day one, 15 days, and 30 days of age.
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April 2022
Department of Pathology, School of Veterinary Medicine, University of São Paulo, Av. Prof. Orlando M. Paiva, 87, São Paulo 05508-270, Brazil.
Reticuloendotheliosis virus (REV) is a retroviral pathogen capable of infecting several avian hosts and is associated with immunosuppression, anemia, proventriculitis, neoplasia, and runting-stunting syndrome. Its genome contains the three major genes, , , and , and two flanking long terminal repeat (LTR) regions. Complete genome sequences of REV are limited in terms of geographical origin.
View Article and Find Full Text PDFVet Parasitol Reg Stud Reports
January 2022
Department of Avian Medicine and Husbandry (DMZA), College of Veterinary Medicine and Husbandry, National Autonomous University of Mexico (UNAM), Av. Universidad 3000, UNAM, C.U., 04510 Mexico City, Mexico. Electronic address:
Dispharynx nasuta is a widespread nematode parasite located in the proventriculus. This parasite may cause mortality in free-living birds or in captivity. However, reports of this parasite in psittacines are scarce.
View Article and Find Full Text PDFVet Res
September 2021
College of Veterinary Medicine, Shandong Agricultural University, Tai'an, 271018, China.