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Applied and Environmental Microbiology, August 2002, p. 4127-4129, Vol. 68, No. 8
0099-2240/02/$04.00+0 DOI: 10.1128/AEM.68.8.4127-4129.2002
Copyright © 2002, American Society for Microbiology. All Rights Reserved.
Antimicrobial Resistance among Enterococci from Pigs in Three European Countries
Frank Møller Aarestrup,1* Henrik Hasman,1 Lars Bogø Jensen,1 Miguel Moreno,2 Inmaculada A. Herrero,2 Lucas Domínguez,2 Maria Finn,3 and Anders Franklin3
Danish Veterinary Institute, DK-1790 Copenhagen V, Denmark,1
Red de Vigilancia Veterinaria de Resistencias a Antibióticos (VAV), Departamento de Patología Animal I (Sanidad Animal), Facultad de Veterinaria, Universidad Complutense de Madrid, 28040 Madrid, Spain,2
National Veterinary Institute, S-750 07 Uppsala, Sweden3
Received 13 November 2001/
Accepted 3 May 2002
Enterococci from pigs in Denmark, Spain, and Sweden were examined for susceptibility to antimicrobial agents and copper and the presence of selected resistance genes. The greatest levels of resistance were found among isolates from Spain and Denmark compared to those from Sweden, which corresponds to the amounts of antimicrobial agents used in food animal production in those countries. Similar genes were found to encode resistance in the different countries, but the tet(L) and tet(S) genes were more frequently found among isolates from Spain. A recently identified transferable copper resistance gene was found in all copper-resistant isolates from the different countries.
* Corresponding author. Mailing address: Danish Veterinary Institute, 27 Bülowsvej, DK-1790 Copenhagen V, Denmark. Phone: 45 35 30 01 00. Fax: 45 35 30 01 20. E-mail:
faa{at}vetinst.dk.
Applied and Environmental Microbiology, August 2002, p. 4127-4129, Vol. 68, No. 8
0099-2240/02/$04.00+0 DOI: 10.1128/AEM.68.8.4127-4129.2002
Copyright © 2002, American Society for Microbiology. All Rights Reserved.
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