Results 21 to 30 of about 145,977 (157)

Fatal dual infection of avian polyomavirus and psittacine beak and feather disease virus in Chile [PDF]

Austral Journal of Veterinary Sciences, 2017
A 6 week old Plum-headed parakeet (Psittacula cyanocephala) from a private bird collection in the Metropolitan Region of Chile died after presenting depression, ataxia, tremors of the head, subcutaneous hemorrhage and delayed crop emptying.
Gisela A. González-Hein, Carlos M. González, Bernardo R. Huaracán   +2 more
doaj   +3 more sources

Pathogenicity of Avian Polyomaviruses and Prospect of Vaccine Development

Viruses, 2022
Polyomaviruses are nonenveloped icosahedral viruses with a double-stranded circular DNA containing approximately 5000 bp and 5–6 open reading frames. In contrast to mammalian polyomaviruses (MPVs), avian polyomaviruses (APVs) exhibit high lethality and ...
Chen-Wei Wang, Yung-Liang Chen, Simon J. T. Mao, Tzu-Chieh Lin, Ching-Wen Wu, Duangsuda Thongchan, Chi-Young Wang, Hung-Yi Wu   +7 more
doaj   +2 more sources

A Case Report of Avian Polyomavirus Infection in a Blue Fronted Parrot (Amazona aestiva) Associated with Anemia [PDF]

Case Reports in Veterinary Medicine, 2015
An adult Blue Fronted Amazon parrot (A. aestiva) presenting with emesis, apathy, undigested seed in feces, and severe anemia was treated for approximately 2 months. Upon radiographic examination, an enlarged kidney was the only alteration.
Natalia Azevedo Philadelpho, Marta B. Guimarães, Antonio J. Piantino Ferreira   +2 more
doaj   +2 more sources

Complete Genome Sequence of a Novel Avian Polyomavirus Isolated from Gouldian Finch. [PDF]

Genome Announc, 2015
ABSTRACT A novel polyomavirus was identified in a fatally diseased Gouldian finch ( Erythrura gouldiae ). The new polyomavirus, strain VL 1209, was detected using a broad-spectrum nested PCR.
Heenemann K, Sieg M, Rueckner A, Vahlenkamp TW.   +3 more
europepmc   +5 more sources

Development of a rapid recombinase polymerase amplification assay for avian polyomaviruses. [PDF]

Poult Sci
Budgerigar fledgling disease, caused by avian polyomavirus (APV), is an immunosuppressive condition in budgerigars that typically manifests as abdominal swelling, absence of down feathers on the dorsal and ventral regions, subdermal bleeding in nestlings,
Rao J, Wang Q, Li M, Shao R, Liu R, Wang Z, Liu Y, Liu J, Liu Y, Xie Q, Zhang X.   +10 more
europepmc   +2 more sources

Two Cases of Feather Dystrophy in Free-Living Griffon Vultures (<i>Gyps fulvus fulvus</i>) Associated with Viral-like Inclusion Bodies. [PDF]

Animals (Basel)
The griffon vulture (Gyps fulvus fulvus) is a scavenger species that plays a vital ecological role in carrion removal. Successful survival and reproduction in captive and wildlife conditions require optimal physical status and plumage integrity ...
Pesaro S, Volpatti D, Baggio A, Verin R, Genero F, Sicuro L, Galosi L, Biagini L, Perlin I, Robino P, Colitti B, Avanzato D, Rossi G.   +12 more
europepmc   +2 more sources

A serologic survey for avian polyomavirus and Pacheco's disease virus in Australian cockatoos [PDF]

Avian Pathology, 1998
Sera collected from wild and captive Australian cockatoos and other psittacine species (n = 411) were tested for antibodies to avian polyomavirus (APV) and Pacheco's disease virus (PDV). Of 144 wild sulphur-crested cockatoos (Cacatua galerita) sampled at three regions in New South Wales (NSW) 96 (64.4%) birds had positive (>/= 1:32) neutralizing ...
Raidal, S.R., Cross, G.M., Tomaszewski, E., Graham, D.L., Phalen, D.N.   +4 more
openaire   +3 more sources

Mycobacterium genavenseand avian polyomavirus co-infection in a European Goldfinch (Carduelis carduelis) [PDF]

Avian Pathology, 2007
Systemic mycobacteriosis associated with avian polyomavirus infection was diagnosed histologically in an 8-year-old, captive European goldfinch with a history of nervous signs. Severe mycobacterial lesions were observed in the central nervous system, lungs, cervical air sacs and adrenal glands, without involvement of the gastrointestinal tract.
G. Manarolla, E. Liandris, G. Pisoni, P. Moroni, R. Piccinini, T. Rampin   +5 more
openaire   +4 more sources

A novel polyomavirus from the nasal cavity of a giant panda (Ailuropoda melanoleuca)

Virology Journal, 2017
Background Polyomaviruses infect a wide variety of mammalian and avian hosts with a broad spectrum of outcomes including asymptomatic infection, acute systemic disease, and tumor induction.
Dunwu Qi, Tongling Shan, Zhijian Liu, Xutao Deng, Zhihe Zhang, Wenlei Bi, Jacob Robert Owens, Feifei Feng, Lisong Zheng, Feng Huang, Eric Delwart, Rong Hou, Wen Zhang   +12 more
doaj   +2 more sources

Occurrence of bornaviruses, circoviruses and polyomaviruses in necropsy samples from parrots in Poland (2014-2024). [PDF]

J Vet Res
Proventricular dilatation disease (PDD) is a disease of parrots which has been known for many years, but only in 2008 was it confirmed that its cause is avian bornavirus (ABV).
Szotowska I, Ledwoń A.
europepmc   +2 more sources