Occurrence of staphylococcus aureus in raw milk produced in dairy farms in São Paulo state, Brazil
Braz. j. microbiol
; 41(2): 376-380, Apr.-June 2010. tab
Article
em En
| LILACS
| ID: lil-545345
Biblioteca responsável:
BR32.1
ABSTRACT
The objective of the present study was to evaluate the occurrence of Staphylococcus aureus in milk produced in 37 farms located in the regions of Ribeirão Preto and São Carlos, state of São Paulo, Brazil. Two-hundred and eight samples of milk from individual cows showing subclinical mastitis, and 37 samples of bulk tank milk were analyzed. S. aureus strains were detected in 18 (7.3 percent) milk samples 14 (6.7 percent) from samples of individual cows, and 4 (10.8 percent) from bulk tank milk. Two individual milk samples (14.3 percent) and two bulk milk samples contained enterotoxigenic S. aureus. PFGE analysis revealed the genetic heterogeneity of the strains isolated from raw milk, which presented to 13 S. aureus patterns. Results confirmed the potential transmission of staphylococcal food poisoning to consumers via milk of cows affected by subclinical mastitis, mainly when raw milk is ingested.
Palavras-chave
Texto completo:
1
Coleções:
01-internacional
Base de dados:
LILACS
Assunto principal:
Intoxicação Alimentar Estafilocócica
/
Infecções Estafilocócicas
/
Staphylococcus aureus
/
Leite
/
Enterotoxinas
/
Mastite Bovina
Tipo de estudo:
Diagnostic_studies
/
Evaluation_studies
Limite:
Animals
País/Região como assunto:
America do sul
/
Brasil
Idioma:
En
Ano de publicação:
2010
Tipo de documento:
Article