Mycoplasma bovis pneumonia in feedlot cattle and dairy calves in Argentina

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...

ver descrição completa

Detalhes bibliográficos
Autores: Margineda, Carlos Augusto, Zielinski, Gustavo Carlos, Jurado, Susana Beatriz, Ferella, Alejandra, Mozgovoj, Marina Valeria, Alcaraz, Ana C., López, Alfonso
Formato: artículo
Estado:Versión publicada
Fecha de publicación:2017
País:Argentina
Recursos:Instituto Nacional de Tecnología Agropecuaria
Repositorio:INTA Digital (INTA)
Idioma:inglés
OAI Identifier:oai:localhost:20.500.12123/11991
Acesso em linha:http://hdl.handle.net/20.500.12123/11991
https://bjvp.org.br/wp-content/uploads/2017/07/v10-n2-7.pdf
http://dx.doi.org/10.24070/bjvp.1983-0246.v10i2p79-86
Access Level:acceso abierto
Palavra-chave:Ganado Bovino
Ganado de Leche
Feedlot
Mycoplasma bovis
Enfermedades de los Animales
Neumonía
Argentina
Cattle
Dairy Cattle
Feedlots
Animal Diseases
Pneumonia
Descrição
Resumo: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.