Ovine Pulmonary Adenomatosis in Patagonia,Argentina |
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Authors: | Uzal FA Delhon G Murcia PR De las Heras M Luján L Fernández Miyakawa ME Morris WE Gonzalez MJ |
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Institution: | Animal Health Unit, The National Institute of Agricultural Technology, Bariloche, Argentina. |
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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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Keywords: | adenomatosis immunocytochemistry Jaagsiekte lung PCR retrovirus sheep |
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