Isolation and identification of Mycobacterium bovis in milk from cows in northeastern Brazil

Milk samples from 16 cows that tested positive on the tuberculin test in the state of Paraíba, northeastern Brazil, were used for mycobacteria isolation and identification. Mycobacteria were isolated from five (31.25%) of the 16 milk samples; three samples were classified as M. bovis, and two as bel...

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Veröffentlicht in:Ciência rural 2016-12, Vol.46 (12), p.2166-2169
Hauptverfasser: Ramos, Joelson Marcolino, Heinemann, Marcos Bryan, Ferreira Neto, José Soares, Filho, Antônio Francisco de Souza, Cárdenas, Nicolás Céspedes, Alves, Clebert José, Azevedo, Sérgio Santos de
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Zusammenfassung:Milk samples from 16 cows that tested positive on the tuberculin test in the state of Paraíba, northeastern Brazil, were used for mycobacteria isolation and identification. Mycobacteria were isolated from five (31.25%) of the 16 milk samples; three samples were classified as M. bovis, and two as belonging to the Mycobacterium genus. This is probably the first study of isolation and identification of M. bovis in milk from cows in Northeastern Brazil, which suggests that humans are at risk of contamination by ingestion. RESUMO: Amostras de leite de 16 vacas positivas no teste da tuberculinização no Estado da Paraíba, Nordeste do Brasil, foram utilizadas para isolamento e identificação de micobactérias. Foram isoladas micobactérias em cinco (31,25%) das 16 amostras de leite: três amostras foram classificadas como M. bovis e duas como pertencentes ao gênero Mycobacterium. De acordo com nosso conhecimento, este é o primeiro estudo de isolamento e identificação de M. bovis em leite de vacas no Nordeste do Brasil, o que sugere que os seres humanos estão em risco de contaminação por ingestão.
ISSN:0103-8478
1678-4596
0103-8478
1678-4596
DOI:10.1590/0103-8478cr20160416