Antimicrobial Resistance in Salmonella Isolates from Apparently Healthy Food-Producing Animal from 2000 to 2003: the First Stage of Japanese Veterinary Antimicrobial Resistance Monitoring (JVARM)

Tetsuo ASAI; Hidetake ESAKI; Akemi KOJIMA; Kanako ISHIHARA; Yutaka TAMURA; Toshio TAKAHASHI

doi:10.1292/jvms.68.881

NOTE

Antimicrobial Resistance in Salmonella Isolates from Apparently Healthy Food-Producing Animal from 2000 to 2003: the First Stage of Japanese Veterinary Antimicrobial Resistance Monitoring (JVARM)

Tetsuo ASAI, Hidetake ESAKI, Akemi KOJIMA, Kanako ISHIHARA, Yutaka TAMURA, Toshio TAKAHASHI

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Keywords: antimicrobial resistance, food-producing animal, Salmonella

JOURNAL FREE ACCESS

2006 Volume 68 Issue 8 Pages 881-884

DOI https://doi.org/10.1292/jvms.68.881

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Abstract

Antimicrobial susceptibility of 183 Salmonella isolates from apparently healthy food-producing animals obtained during the period from 2000 to 2003 throughout Japan was examined. Of 29 serovars identified, Salmonella Infantis (37.7%) was the most prevalent, followed by S. Typhimurium (19.7%). Salmonella bacteria resistant to dihydrostreptomycin (77.6%) were about 10% more prevalent than those resistant to oxytetracycline (67.8%), though the nation-level veterinary use of tetracycline antibiotics is much greater than that of streptomycin in Japan. In seventeen isolates (9.3%) resistant to nalidixic acid, single point mutations were detected at 84 or 87 in the quinolone resistance-determining region of the gyrA gene.

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