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Abstract

This study investigated the participation of infectious agents in spontaneous abortions and reproductive problems at eight dairy cattle herds from three geographical regions of Brazil. Fourteen aborted fetuses and the organ sections of one cow with history of repeated abortions were received for...

Author(s)
Headley, S. A.; Voltarelli, D.; Oliveira, V. H. S. de; Bronkhorst, D. E.; Alfieri, A. F.; Negri Filho, L. C.; Okano, W.; Alfieri, A. A.
Publisher
Springer, Amsterdam, Netherlands
Citation
Tropical Animal Health and Production, 2015, 47, 2, pp 403-413
Abstract

The paper evaluates the participation of bacterial and viral agents in bovine abortions in farms of southern Minas Gerais state, Brazil. Histopathological and immunohistochemical analysis was performed in aborted fetuses of cattle received by the Setor de Patologia Veterinária, Universidade Federal ...

Author(s)
Orlando, D. R.; Costa, R. C.; Abreu, R. V. S.; Abreu, C. C.; Nakagaki, K. Y. R.; Wouters, A. T. B.; Raymundo, D. L.; Varaschin, M. S.
Publisher
Colégio Brasileiro de Patologia Animal, Rio de Janeiro, Brazil
Citation
Pesquisa Veterinária Brasileira, 2014, 34, 10, pp 974-980
Abstract

Foot and mouth disease virus. Type A. was rendered avirulent by 28 passages in day old chicks or 12 in embryonated eggs. These strains, were non-pathogenic, had good antigenicity and did not spread by contact. In field trials with the chick embryo strain immunity lasted at least eight months....

Author(s)
NóBrega, P.
Citation
Biologico, 1963, 29, pp 149-163

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