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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
Abstract

The domestic animal, wild animal, and human populations of a 1, 100 acre state institute farm were studied in 1964. Serum from 98 of 353 dairy animals exhibited microscopic agglutination titres for L. grippotyphosa; 49 of these developed titres to L. grippotyphosa during the one-year study period....

Author(s)
Martin, R. J.; Hanson, L. E.; Schnurrenberger, P. R.
Publisher
Wash.,
Citation
Public Health Reports, 1967, 82, pp 75-83
Abstract

The presence of leptospira antibodies was tested by haemagglutination in a total of 858 serum samples from cattle, horses, pigs, dogs, sheep and goats using a battery of 16 Leptospira interrogans and 5 L. biflexa antigens. The objective was to study the correlation between pathogenic and...

Author(s)
Caldas, E. M.; Viegas, E. de A.; Reis, R. S.; Massa, L. F. M.; Viegas, S. A. R. de A.
Citation
Arquivos da Escola de Medicina Veterinária da Universidade Federal da Bahia, 1996, 18, 1, pp 126-140
Abstract

A serological survey was conducted involving dairy cattle from different regions of Pernambuco State, Brazil to estimate the prevalence of brucellosis and leptospirosis. A total of 600 samples were tested using Serum Agglutination Test (SAT) and 2-Mercaptoethanol (2-ME), and Microscopic...

Author(s)
Tenório, T. G. da S.; Melo, L. E. H. de; Vasconcellos, S. A.; Castro, R. S. de; Silva, F. F. da; Leite, J. E. B.; Rêgo, E. W.; Vaz, B. B. d'U.; Borba, M. A. da C.; Melo, M. T. de; Castro, V. B. de; Campos, K. M. T.; Berto, R. S.; Mendes, E. I.
Publisher
Universidade Federal de Uberlândia, Uberlândia, Brazil
Citation
Veterinária Notícias, 2005, 11, 2, pp 43-48
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

Risk factors associated with leptospirosis were identified in cows in the state of Bahia, northeastern Brazil. A total of 10,823 cows with >24 months of age from 1,414 herds were randomly sampled. For the serological diagnosis of Leptospira spp. infection, the microscopic agglutination test...

Author(s)
Oliveira, F. C. S.; Azevedo, S. S.; Pinheiro, S. R.; Batista, C. S. A.; Moraes, Z. M.; Souza, G. O.; Gonçales, A. P.; Vasconcellos, S. A.
Publisher
Colégio Brasileiro de Patologia Animal, Rio de Janeiro, Brazil
Citation
Pesquisa Veterinária Brasileira, 2010, 30, 5, pp 398-402
Abstract

The aim of this study was to investigate the adequacy of the use of autochthonous strains of leptospires isolated in Brazil, added to antigen collection of the microscopic agglutination test (MAT) applied to the diagnosis of bovine leptospirosis. By means of non-probability sampling, 109 farms and...

Author(s)
Sarmento, A. M. C.; Azevedo, S. S.; Morais, Z. M.; Souza, G. O.; Oliveira, F. C. S.; Gonçales, A. P.; Miraglia, F.; Vasconcellos, S. A.
Publisher
Colégio Brasileiro de Patologia Animal, Rio de Janeiro, Brazil
Citation
Pesquisa Veterinária Brasileira, 2012, 32, 7, pp 601-606
Abstract

We report the initial characterization of a leptospiral isolate, Leptospira interrogans, serogroup Sejroe, serovar Hardjo, genotype Hardjoprajitno, strain Norma, and its relatedness with L. interrogans, serogroup Sejroe, serovar Hardjo, genotype Hardjoprajitno, strain Hardjo and Leptospira...

Author(s)
Cosate, M. R. V.; Barouni, A. S.; Moreira, E. C.; Veloso, I. F.; Gomes, M. T. R.; Salas, C. E.
Publisher
Wiley-Blackwell, Berlin, Germany
Citation
Zoonoses and Public Health, 2012, 59, 6, pp 379-388
AbstractFull Text

The present study aims to evaluate the performance of the ELISA with recombinant antigen LipL.32, and compare it with SAM for the serological diagnosis of bovine leptospirosis. We collected 285 samples of blood serum from cows aged greater than or equal to 24 months in eight counties located in the ...

Author(s)
Aragão, F. J. M.; Rodrigues, H. W. S.; Vieira, R. J.; Alves, R. P. A.; Vieira, A. F.; Mineiro, A. L. B. B.
Publisher
Universidade Estadual do Ceará, Faculdade de Veterinaria, Ceará, Brazil
Citation
Ciência Animal , 2012, 22, 1, Supl., pp 131-133

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