Publicação: Modificação da microbiota associada às lesões peridentárias da cara inchada em bezerros transferidos para área indene
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Data
2000-04-01
Orientador
Coorientador
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Artigo
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Acesso aberto
Resumo
Observations on the epizootiology of cara inchada in cattle (CI) indicated that animals affected by the disease recover spontaneously when they are transferred from the CI-prone area to CI-free pastures. In the presente study 13 young bovines with actively progressing periodontal CI-lesions were transferred to a CI-free area, in order to investigate the clinical course of the disease and the composition of the microflora in the periodontal lesions in two distinct situations: (1) in the actively progressing lesions, and (2) in the healed periodontal pouches of clinically recovered animals. The semi-quantitative and qualitative bacteriological study was undertaken in regard to the percentage of black-pigmented Bacteroides in cultures. In the actively progressing lesions of the 13 CI-diseased bovines the percentage of these bacteria was 71.3% in average. The evaluation of the composition of the microflora in the healed periodontal pouches of the clinically recovered bovines showed that bacteria of the black-pigmented Bacteroides group existed only at an average of 1.7%. The results of this investigation give further support for the infectious nature of the CI-periodontitis and the primary involvement of these bacteria.
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Português
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Pesquisa Veterinaria Brasileira, v. 20, n. 2, p. 71-74, 2000.
