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Start Over Descriptor "*BEEF cattle diseases" Language portuguese
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1. DETECÇÃO DE Mycoplasma bovis POR IMUNO-HISTOQUÍMICA NO TECIDO PULMONAR DE BOVINOS CONFINADOS. PRIMEIROS CASOS DE PNEUMONIA MICOPLÁSMICA NA ARGENTINA.

Author

Margineda, Carlos, Bessone, Fernando, Piscitelli, Hernán, Nicolino, Edgardo, Zielinski, Gustavo, and López, Alfonso

Subjects
*ANIMAL diseases, *MYCOPLASMA diseases, *BEEF cattle diseases, *BEEF cattle, *MYCOPLASMA bovis, *IMMUNOHISTOCHEMISTRY, *VETERINARY medicine
Abstract

Mycoplasma bovis has emerged in several countries as an important cause of pneumonia in feedlot cattle. The aim of this paper is to describe the clinical and pathological findings of 2 cases of pneumonia in cattle occurred at different feedlots in Argentina. We performed necropsies, histopathology, bacteriology and immunohistochemistry in two animals with respiratory signs. Gross examination revealed severe bronchopneumonia with multiple foci of caseous necrosis that corresponded microscopically to pyogranulomatous inflammation with necrotic oval centers. Immunohistochemistry on these lung lesions tested positive for Mycoplasma bovis. In Argentina Mycoplasma bovis was isolated in 2001 from a case of mastitis but there are no reports of pneumonia in cattle. To our knowledge these are the first cases of this type of pneumonia described in Argentina. [ABSTRACT FROM AUTHOR]

Published
2013

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