2008
DOI: 10.1590/s0100-736x2008001000009
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Ocorrência de raiva em ovinos no Rio Grande do Sul

Abstract: Cases of rabies in sheep occurring in November 2003, in central Rio Grande do Sul state, Brazil, are described. A 3-month-old male, and a 2.5-month-old female sheep were affected. Clinical signs were characterized by abnormal gait, trembling, lateral recumbency, convulsion, opisthotonus, and fever. Histological findings included a non-suppurative myelomeningoencephalitis associated with intracytoplasmic eosinophilic inclusion (Negri) bodies in neurons. Lesions were predominantly observed in gray matter of the … Show more

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Cited by 18 publications
(28 citation statements)
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“…5,37 The IHC protocol used here confirms its utility as a safe alternative to FAT, by preserving the tissue architecture and allowing histologic evaluation to reach a diagnosis. 25,29,33,34,37 GFAP immunoreactivity showed a mild astroglial reaction in CNS tissue, thus confirming our results from HE histopathology and a previous report that used another type of GFAP antibody in RABV-infected cattle, 28 along with multifocal microglial proliferation. In the cerebellar cortex, patches of reactive Bergmann glia were evident occasionally in the cerebellar molecular layer with GFAP, accompanied by extensive multifocal proliferation of microglia organized as Babès nodules, which agrees with other reports.…”
Section: Discussionsupporting
confidence: 87%
“…5,37 The IHC protocol used here confirms its utility as a safe alternative to FAT, by preserving the tissue architecture and allowing histologic evaluation to reach a diagnosis. 25,29,33,34,37 GFAP immunoreactivity showed a mild astroglial reaction in CNS tissue, thus confirming our results from HE histopathology and a previous report that used another type of GFAP antibody in RABV-infected cattle, 28 along with multifocal microglial proliferation. In the cerebellar cortex, patches of reactive Bergmann glia were evident occasionally in the cerebellar molecular layer with GFAP, accompanied by extensive multifocal proliferation of microglia organized as Babès nodules, which agrees with other reports.…”
Section: Discussionsupporting
confidence: 87%
“…Os principais dados epidemiológicos e clínico-patológicos dessas doenças estão nos Quadros 1-4 e nas Figuras 1-18. Para uma descrição detalhada de cada doença o leitor pode acessar as publicações correspondentes às doenças de bovinos (Sanches et al 2000, Langohr et al 2003,b,c, Rodrigues et al 2005a, 2007, 2008b, Sant'Ana et al 2009a,b, Lucena et al 2010, ovinos (Rissi et al 2008a(Rissi et al ,c, 2010a, caprinos (Rissi et al 2006b) e equinos (Barros et al 1984, Rodrigues et al 2005b, Pierezan et al 2007). Como ocorre em qualquer sistema, para o diagnóstico das doenças do SN é necessário um histórico epidemioló-gico e clínico completo e, quando for o caso, uma completa descrição dos achados macroscópicos.…”
Section: Resultsunclassified
“…Avaliando o percentual de casos positivos para a raiva por espécies envolvidas, os bovinos apresentaram a maior frequência de registro, com 94% dos casos, 3% foram da espécie equina e 3% da espécie caprina. A baixa frequência de diagnósticos nas espécies equina, caprina e ovina, impede a geração de dados substanciais sobre as características da doença nessas espécies (Rissi et al, 2008). No que diz respeito aos pequenos ruminantes, dados evidenciados no período de 2011, denotam três casos de raiva ou encefalite, destes dois apresentaram resultado laboratorial negativo para raiva, e um com resultado laboratorial positivo, contrastando com os dados referentes à espécie bovina.…”
Section: Resultsunclassified