Penetration of drug resistance in Escherichia coli isolated from laboratory animals

Kouji Shimoda, Jun Kimura, Satoshi Oguri, Naoko Nakamura, Toru Urano, Maejima Kazuyoshi

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)


A total of 713 strains of fecal Escherichia coli (E. coli) isolated from laboratory animals in the colonies of 4 research laboratories and 4 commercial breeders in Japan in 1994 were examined in regard to resistance to 8 antibacterial agents. The incidence of resistance to sulfadimethoxine (Su), streptomycin (Sm), ampicillin, cephaloridine, tetracycline, chloramphenicol, kanamycin, and gentamicin was 99.9%, 32.5%, 6.7%, 0.7%, 7.0%, 2.6%, 6.6% and 0.7%, respectively. These results indicated that Su and Sm resistance are penetrating into normal E. coli strains isolated from laboratory animals.

Original languageEnglish
Pages (from-to)1133-1135
Number of pages3
JournalJournal of Veterinary Medical Science
Issue number12
Publication statusPublished - 2002 Dec
Externally publishedYes


  • Drug resistance
  • Escherichia coli
  • Laboratory animal

ASJC Scopus subject areas

  • General Veterinary


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