Please use this identifier to cite or link to this item: http://hdl.handle.net/10553/43409
Title: A pathological and immunohistochemical study of caprine pleuropneumonia induced by subspecies of Mycoplasma mycoides
Authors: Rodríguez Navarro, José Luis 
Orós Montón, Jorge Ignacio 
Rodríguez Guisado, Francisco 
Poveda Guerrero, José Bismarck 
Ramírez Corbera, Ana Sofía 
Fernández Rodríguez, Antonio Jesús 
UNESCO Clasification: 310907 Patología
Keywords: Goats
Pneumonia
Cluster
Infections
Bacteria, et al
Issue Date: 1996
Publisher: 0021-9975
Journal: Journal of Comparative Pathology 
Abstract: In a population of 700 goats, 150 died; of these, 29 were necropsied. Ten of the 29 goats had pleuropneumonia. Mycoplasma mycoides subsp. mycoides (Large Colony) (MmmLC), Mycoplasma mycoides subsp. capri (Mmc), and Pasteurella multocida were isolated from five of the pleuropneumonic goats. Gross and microscopical lesions were typical of caprine pleuropneumonia (CPP), with bronchopneumonia, fibrinopurulent or fibrinonecrotic pleuropneumonia and dilatation of the interlobular septa and pleura. Immunohistochemical examination with antisera against MmmLC and Mmc showed mycoplasma antigens in all 10 goats with CPP. In all cases, both MmmLC and Mmc antigens were detected together. Mycoplasma antigens were present in the lumina of the airways and alveoli, mainly inside the cytoplasm of neutrophils and macrophages, but extracellular antigen was demonstrated in areas of necrosis. Pasteurella antigens were detected in four of the 10 animals with CPP. From the histological, immunohistochemical and microbiological results it was concluded that the two mycoplasmas, acting together, caused the pleuropneumonia, with P. multocida playing a subsidiary synergistic role. (C) W.B. Saunders Company Limited
URI: http://hdl.handle.net/10553/43409
ISSN: 0021-9975
DOI: 10.1016/S0021-9975(96)80013-2
Source: Journal of Comparative Pathology [ISSN 0021-9975], v. 114, p. 373-384
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