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Acta Veterinaria Scandinavica logoLink to Acta Veterinaria Scandinavica
. 1995 Mar 1;36(1):55–64. doi: 10.1186/BF03547702

Antibiotic Resistance of Vibrio anguillarum, in Relation to Serovar and Plasmid Contents

K Pedersen 1,, T Tiainen 1, J L Larsen 1
PMCID: PMC8095442  PMID: 7572458

Abstract

A total of 520 Vibrio anguillarum strains, isolated from fish and the environment, were tested for their sensitivity to 20 different antibiotics. Most isolates were of European origin. The results were compared with data on the O-serogroup and plasmid contents. All strains were sensitive to neomycin, spectinomycin, nitrofurantoin, flumequine and oxolinic acid, while most strains were sensitive to streptomycin, Oxytetracycline, chloramphenicol, sulphonamides, trimethoprim, sulphonamides with trimethoprim, nalidixan, rifampicin, novobiocin and O/129. A major part of the strains were resistant to the macrolides, spiramycin and lincomycin. For ampicillin, cephalothin, and Colistin marked differences were recorded with respect to O-serogroup. Most O1 strains were resistant to Colistin and sensitive to ampicillin and cephalothin, while most O2 strains were sensitive to Colistin but resistant to ampicillin and cephalothin. Some antibiotic resistant strains carried plasmids but no conjugation experiments were carried out to detect possible R factors.

Keywords: serogroup

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Acknowledgments

The technical assistance of Miss Susanne Faaborg Nielsen and Miss Annette Rasmussen and the financial support from the Danish Agricultural and Veterinary Research Council, grant no. 13-4508-1 NMP and 13-4710-1, from the Nordic Council of Ministers, and from CEC contract number AIR-CT92-0341 is gratefully appreciated.

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