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Abstract

Bovine leptospirosis is one of the main reproductive diseases which interferes economically on the livestock and thus it is needed the amelioration of the laboratory diagnostic procedures. The aim of this work is to investigate the adequacy to use autochthonous strains of leptospires isolated in...

Author(s)
Sarmento, A. M. C.
Publisher
Faculdade de Medicina Veterinária e Zootecnia, Universidade de São Paulo, São Paulo, Brazil
Citation
Emprego de estirpes de leptospiras isoladas no Brasil, na microtécnica de soroaglutinação microscópica aplicada ao diagnóstico da leptospirose em rebanhos bovinos de oito estados brasileiros, 2009, pp 136 pp.
Abstract

Agglutination tests with five serotypes as antigens were done on sera from 763 cattle. Positive results were obtained 30 times with L. ìcterohaemorrhagiae antigen, 14 times with pomona antigen, 11 times with grippo-typhosa antigen and twice with canicola antigen. The titres to pomona and ...

Author(s)
Guida, V. O.; Santa Rosa, C. A.; D'Apice, M.; Corrêa, M. O.; Natale, V.
Publisher
S. Paulo,
Citation
Archivos do Instituto Biologico, Sao Paulo, 1959, 26, pp 109-117
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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