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. 2005 Mar-Apr;47(2):113-5.
doi: 10.1590/s0036-46652005000200012. Epub 2005 May 4.

Serotyping and evaluation of the virulence in mice of Streptococcus suis strains isolated from diseased pigs

Adrienny T R Costa  1 , Francisco C F Lobato, Vera L V Abreu, Ronnie A Assis, Ronaldo Reis, Francisco A Uzal
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Free article

Serotyping and evaluation of the virulence in mice of Streptococcus suis strains isolated from diseased pigs

Adrienny T R Costa et al. Rev Inst Med Trop Sao Paulo. 2005 Mar-Apr.
Free article

Abstract

A total of 110 strains of Streptococcus suis, isolated from diseased pigs in Brazil were serotyped and analyzed for virulence. Serotyping of the strains resulted in the following classification: 42 strains of serotype 2 (38.2%), 10 strains of serotype 14 (9.1%), seven strains of serotype 9 (6.4%), three strains each of serotype 7 and 11 (2.7%), two strains each of serotype 1 and 8 (1.8%) and one strain each of serotypes 1/2, 3, 5, 6 and 10 (0.9%). Cross reactions among serotypes 1, 14 and 7 were observed in 21 strains (19.1%). Only 41.9% of the strains were lethal for mice using the pathogenicity test.

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