2012
DOI: 10.1590/s0100-736x2012000700003
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Emprego de estirpes Leptospira spp. isoladas no Brasil na microtécnica de soroaglutinação microscópica aplicada ao diagnóstico da leptospirose em rebanhos bovinos de oito estados brasileiros

Abstract: O objetivo do presente trabalho foi investigar a conveniência do emprego de estirpes de leptospiras autóctones isoladas no Brasil, na coleção de antígenos da microtécnica de soroaglutinação microscópica (SAM) aplicada a leptospirose. Foram amostradas por conveniência 109 propriedades e 9820 bovinos, fêmeas em idade reprodutiva, distribuídos em 85 municípios, dos Estados de Goiás, Mato Grosso, Mato Grosso do Sul, Minas Gerais, Paraná, Rio Grande do Sul, Santa Catarina e São Paulo. Dos 9820 animais examinados, 5… Show more

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Cited by 30 publications
(31 citation statements)
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“…was higher than the number of D. albiventris specimens, the occurrence rates for each animal species were very close: D. aurita showing that the inclusion of local strains could enhance MAT-Lepto sensitivity, as previously observed by Sarmento et al (2012). In Brazil, the serovar Copenhageni is currently the main agent responsible for cases of leptospirosis in humans (SAKATA et al, 1992).…”
Section: Discussionsupporting
confidence: 61%
“…was higher than the number of D. albiventris specimens, the occurrence rates for each animal species were very close: D. aurita showing that the inclusion of local strains could enhance MAT-Lepto sensitivity, as previously observed by Sarmento et al (2012). In Brazil, the serovar Copenhageni is currently the main agent responsible for cases of leptospirosis in humans (SAKATA et al, 1992).…”
Section: Discussionsupporting
confidence: 61%
“…However, the current study should not rule out the possibility of finding cross-reactivity in representatives of the same Serjroe serogroup (Hardjo, Wolfi, Guaricura, Hardjo Bovis, Hardjo Prajitno, Hardjo C.T.G., Hardjo Miniswajizak), as reported by Sarmento et al (2012). However, definitive confirmation depends on further investigations based on sample isolation and typification.…”
Section: Discussionmentioning
confidence: 57%
“…Nowadays, the official recommendation at the time to apply the MAT test to investigate leptospirosis is that the adopted antigen collection must contain at least one representative per serogroup. However, the importance of including autochthonous serovars isolated in the country or region has been taken into consideration, since it could help increasing the discriminatory capacity of the test (SARMENTO et al, 2012).…”
Section: Discussionmentioning
confidence: 99%
“…A infecção pelo sorovar Hardjo tem efeito direto sobre a fertilização, interferindo na função do corpo lúteo, causando diminuição dos níveis de progesterona, enquanto o sorovar Wolffii está comumente associado ao Hardjo (Dhaliwal et al, 1996;Vasconcellos et al, 1997). Sarmento et al (2012), em inquéritos realizados em oito estados brasileiros, obtiveram maiores frequências para os sorovares Hardjo (43%), Wolffii (9,96%) e Pomona (4,28%). A prevalência desses sorovares também foi diagnosticada por Santos (1988), em São Luís, onde foram alcançadas frequências para os sorovares Hardjo (19,10%), Wolffii (16,70%) e Pomona (2,40%).…”
Section: Discussionunclassified