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Year 2008 - Volume 28, Number 12
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Surto de pitiose cutânea em bovinos, p.583-587
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ABSTRACT.- Gabriel A.L., Kommers G.D., Trost M.E., Barros C.S.L., Pereira D.B., Schwendler S.E. & Santurio J.M. 2008. [Outbreak of cutaneous pythiosis in cattle.] Surto de pitiose cutânea em bovinos. Pesquisa Veterinária Brasileira 28(12):583-587. Departamento de Patologia, Universidade Federal de Santa Maria, Camobi, Santa Maria, RS 97105-900, Brazil. E-mail: glaukommers@yahoo.com
Seventy-six young mixed breed cattle of both sexes, presented multifocal ulcerated nodular cutaneous lesions localized in the medial and lateral aspects of fore and hindlimbs, ventral neck, sternum, and tail. The disease occurred during summer and lesions were observed on areas of the body which were in contact with water of irrigation channels for long periods. Histologically, there were multiple granulomas and pyogranulomas with few negative profiles of hyphae, which were better visualized throughout Grocott methenamine silver stain. Definitive etiologic diagnosis was based on immuno-histochemistry with anti-Pythium insidiosum polyclonal antibody. Additionally, an indirect ELISA test was performed. Bovine cutaneous pythiosis outbreaks are uncommon and, particularly as occurred in the cattle of this report, all affected animals had spontaneous healing within two to three weeks. |
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