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Título

Oculopathologic findings in flavivirus-infected gallinaceous birds

AutorGamino, Virginia ; Gutiérrez-Guzmán, Ana Valeria; Höfle, Ursula
Palabras claveImmunohistochemistry
Flavivirus
West Nile virus
Red-legged partridge Alectoris rufa
Histology
Bagaza virus
Common pheasant Phasianus colchicus
Fecha de publicación2014
EditorSage Publications
CitaciónVeterinary Pathology 51(6): 1113-1116 (2014)
ResumenUsing eye samples of nine 9-week-old experimentally West Nile virus (WNV)–infected red-legged partridges (Alectoris rufa), time course of lesions and WNV antigen appearance in ocular structures were examined. In addition, eye samples of 6 red-legged partridges and 3 common pheasants (Phasianus colchicus) naturally infected with Bagaza virus (BAGV) were used to study lesions and flavivirus antigen distribution in relation to apparent blindness in the former. The rapid onset of microscopic lesions and early presence of viral antigen in the eye of experimentally WNV-infected partridges, prior to the central nervous system involvement, suggested hematogenous spread of the virus into the eye. BAGV-infected partridges had a more pronunced inflammatory reaction and more widespread flavivirus antigen distribution in the retina compared with pheasants and experimentally fatally WNV-infected partridges. Our results suggest that flavivirus replication and development of lesions in ocular structures of gallinaceous game birds vary with the specific virus and host species involved.
URIhttp://hdl.handle.net/10261/142504
DOI10.1177/0300985813516640
Identificadoresdoi: 10.1177/0300985813516640
e-issn: 1544-2217
issn: 0300-9858
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