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. 2004 Feb;28(2):159-70.
doi: 10.1023/b:verc.0000012110.49600.12.

Ovine pulmonary adenomatosis in Patagonia, Argentina

F A Uzal  1 , G Delhon, P R Murcia, M De las Heras, L Luján, M E Fernández Miyakawa, W E Morris, M J Gonzalez
Affiliations

Ovine pulmonary adenomatosis in Patagonia, Argentina

F A Uzal et al. Vet Res Commun. 2004 Feb.

Abstract

An outbreak of pulmonary adenomatosis (OPA) occurred in sheep in Patagonia, Argentina's southernmost region. On the affected farm, nine animals died over a 6-month period with pulmonary lesions of OPA. In all cases, the histology of the lungs was characterized by proliferation of cuboideal and prismatic cells lining the alveoli. Inflammatory exudates and accumulation of alveolar macrophages were marked in most cases, but in six of the cases there was no excess fluid in the airways. The presence of the Jaagsiekte retrovirus was demonstrated in the lungs by immunocytochemistry and PCR. To the best of our knowledge, this is the first report of OPA in Patagonia.

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