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Isolation and characterization of enterohaemorrhagic Escherichia coli O157[ratio ]H7 from cattle in Belgium and Poland

Published online by Cambridge University Press:  02 September 2002

A. V. TUTENEL
Affiliation:
Department of Veterinary Food Inspection, Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium
D. PIERARD
Affiliation:
Academic Hospital, Department of Microbiology, Free University Brussels, Brussels, Belgium
J. URADZINSKI
Affiliation:
Department of Food Hygiene, Faculty of Veterinary Medicine, Warmia & Mazury University in Olsztyn, Olsztyn, Poland
E. JOZWIK
Affiliation:
Department of Food Hygiene, Faculty of Veterinary Medicine, Warmia & Mazury University in Olsztyn, Olsztyn, Poland
M. PASTUSZCZAK
Affiliation:
Department of Food Hygiene, Faculty of Veterinary Medicine, Warmia & Mazury University in Olsztyn, Olsztyn, Poland
J. VAN HENDE
Affiliation:
Department of Veterinary Food Inspection, Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium
M. UYTTENDAELE
Affiliation:
Department of Food Technology and Nutrition, Laboratory of Food Microbiology and Food Preservation, Ghent University, Ghent, Belgium
J. DEBEVERE
Affiliation:
Department of Food Technology and Nutrition, Laboratory of Food Microbiology and Food Preservation, Ghent University, Ghent, Belgium
T. CHEASTY
Affiliation:
Laboratory of Enteric Pathogens, Central Public Health Laboratory, London, UK
J. VAN HOOF
Affiliation:
Department of Veterinary Food Inspection, Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium
L. DE ZUTTER
Affiliation:
Department of Veterinary Food Inspection, Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium
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Abstract

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EHEC O157 were isolated from faeces of Belgian and Polish beef slaughter cattle. In Belgium, 1281 faecal samples were analysed by immunomagnetic separation [IMS] after enrichment in buffered peptone water from June 1998 till July 1999. Eighty-one samples (6.3%) were positive for E. coli O157. Phage type 8 was most frequently found. Bulls between 1 and 2 years old, slaughtered in September and October were most frequently found positive. Atypical biochemical features were observed in some isolates: 22 (27%) isolates were urease positive and 1 (1.2%) isolate was unable to ferment lactose. In Poland, 551 faecal samples, taken from January 1999 till December 1999, were examined using exactly the same techniques. Four faecal samples (0.7%) were positive for O157 EHEC, yielding seven phage type 8 isolates. All positive samples were from cattle younger than 2 years. Positive samples occurred in August, September and October.

Type
Research Article
Copyright
© 2002 Cambridge University Press