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Mycoplasma bovis pneumonia in feedlot cattle and dairy calves in Argentina

Abstract
Mycoplasma bovis has emerged as an important cause of feedlot pneumonia in many countries. The aim of this paper is to describe six cases of bovine Mycoplasma pneumonia in five different premises in Argentina. Gross examination revealed chronic bronchopneumonia with multiple foci of caseous necrosis. Microscopically, these contained a necrotic center with abundant hypereosinophilic granular material surrounded by granulation tissue. Affected lung tested [ver mas...]
Mycoplasma bovis has emerged as an important cause of feedlot pneumonia in many countries. The aim of this paper is to describe six cases of bovine Mycoplasma pneumonia in five different premises in Argentina. Gross examination revealed chronic bronchopneumonia with multiple foci of caseous necrosis. Microscopically, these contained a necrotic center with abundant hypereosinophilic granular material surrounded by granulation tissue. Affected lung tested positive for M. bovis by immunohistochemistry and electron microscopy revealed membranous structures compatible with Mycoplasma spp. To our knowledge, this is the first report of M. bovis pneumonia in Argentina. [Cerrar]
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Author
Margineda, Carlos Augusto;   Zielinski, Gustavo Carlos;   Jurado, Susana Beatriz;   Ferella, Alejandra;   Mozgovoj, Marina Valeria;   Alcaraz, Ana C.;   López, Alfonso;  
Fuente
Brazilian Journal of Veterinary Pathology 10 (2) : 79-86 (July 2017)
Date
2017-07
Editorial
Brazilian Association of Veterinary Pathology
ISSN
1983-0246
URI
http://hdl.handle.net/20.500.12123/11991
https://bjvp.org.br/wp-content/uploads/2017/07/v10-n2-7.pdf
DOI
http://dx.doi.org/10.24070/bjvp.1983-0246.v10i2p79-86
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Proyectos (ver más)

INTA/PNSA-1115054/AR./Enfermedades parasitarias, infecciosas y tóxico metabólicas que afectan la productividad de los bóvidos para producción de carne y leche.

Palabras Claves
Ganado Bovino; Cattle; Ganado de Leche; Dairy Cattle; Feedlot; Feedlots; Mycoplasma bovis; Enfermedades de los Animales; Animal Diseases; Neumonía; Pneumonia; Argentina;
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