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Occurrence of toxigenic Escherichia coli in raw milk cheese in Brazil Arq. Bras. Med. Vet. Zootec.
Paneto,B.R.; Schocken-Iturrino,R.P.; Macedo,C.; Santo,E.; Marin,J.M..
The occurrence of toxigenic Escherichia coli in raw milk cheese was surveyed in Middle Western Brazil. Fifty samples of cheese from different supermarkets were analyzed for E.coli. The isolates were serotyped and screened for the presence of verotoxigenic E. coli (VTEC) and enterotoxigenic E. coli (ETEC) by Polymerase Chain Reaction (PCR). The susceptibility to thirteen antimicrobial agents was evaluated by the disk diffusion method. E.coli were recovered from 48 (96.0%) of the samples. The serogroups identified were O125 (6.0%), O111 (4.0%), O55 (2.0%) and O119 (2.0%). Three (6.0%) and 1(2.0%) of the E.coli isolates were VTEC and ETEC, respectively. Most frequent resistance was observed to the following antimicrobials: cephalothin (60.0%), nalidixic acid...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Escherichia coli; Cheese; VTEC; ETEC; Antimicrobial resistance.
Ano: 2007 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-09352007000200035
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