Pigeon circovirus infection: Pathological observations and suggested pathogenesis

Pigeon circovirus infection (PiCV) was diagnosed by light and transmission electron microscopy in 15 birds from five lofts in western France. Histopathological findings were suggestive of primary bursotropism of pigeon circovirus, followed by secondary systemic spread from the bursa of Fabricius, pa...

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Published inAvian pathology Vol. 30; no. 2; pp. 149 - 158
Main Authors Abadie, Jérôme, Nguyen, Frédérique, Groizeleau, Caroline, Amenna, Nadia, Fernandez, Bernard, Guereaud, Catherine, Guigand, Lydie, Robart, Philippe, Lefebvre, Bernard, Wyers, Monique
Format Journal Article
LanguageEnglish
Published England Taylor & Francis Group 01.04.2001
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Summary:Pigeon circovirus infection (PiCV) was diagnosed by light and transmission electron microscopy in 15 birds from five lofts in western France. Histopathological findings were suggestive of primary bursotropism of pigeon circovirus, followed by secondary systemic spread from the bursa of Fabricius, particularly to non-bursal lymphoid organs. The last stage of the disease was associated with various secondary (particularly bacterial) infections. In situ detection of apoptosis in the bursa of Fabricius indicated that PiCV was concomitant with an increase in bursal lymphocytic apoptotic events related to viral infection and leading to severe acquired immunosuppression.
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ISSN:0307-9457
1465-3338
DOI:10.1080/03079450124811