title: Antimicrobial resistance observed in Escherichia coli strains isolated from fecal samples of cattle and pigs in Korea during 2003-2004.
abstract: A total of 744 Escherichia coli strains isolated from 830 fecal samples of healthy cattle and pigs in all provinces of Korea were examined for resistance to 16 antimicrobials. The most frequently observed resistance in cattle isolates was to tetracycline (30.5%), followed by resistance to streptomycin (20.4%), ampicillin (12.0%) and chlorampenicol (6.9%). Prevalences of resistance to the same four antimicrobials in swine isolates were 96.3%, 66.8%, 66.1%, and 47.6%, respectively. The prevalence of resistance in pigs was much higher than that in cattle, with 98.3% of pig isolates and 37.1% of cattle isolates showing resistance to one or more of the antimicrobial agents tested.
authors.affiliation: National Veterinary Research and Quarantine Service, Ministry of Agriculture and Forestry, Anyang, Kyonggido, Republic of Korea.
authors.forename: Suk-Kyung
authors.initials: SK
authors.lastname: Lim
authors.forename: Hee-Soo
authors.initials: HS
authors.lastname: Lee
authors.forename: Hyang-Mi
authors.initials: HM
authors.lastname: Nam
authors.forename: Yun-Sang
authors.initials: YS
authors.lastname: Cho
authors.forename: Jong-Man
authors.initials: JM
authors.lastname: Kim
authors.forename: Si-Wook
authors.initials: SW
authors.lastname: Song
authors.forename: Yong-Ho
authors.initials: YH
authors.lastname: Park
authors.forename: Suk-Chan
authors.initials: SC
authors.lastname: Jung
mesh_terms: D000818:Animals; D000900:Anti-Bacterial Agents / Q000494:pharmacology*; D002417:Cattle; D015169:Colony Count, Microbial; D004305:Dose-Response Relationship, Drug; D024881:Drug Resistance, Bacterial; D024901:Drug Resistance, Multiple, Bacterial; D004926:Escherichia coli / Q000187:drug effects* / Q000302:isolation & purification*; D005243:Feces / Q000382:microbiology*; D007723:Korea; D008826:Microbial Sensitivity Tests; D013045:Species Specificity; D013552:Swine
chemical_list: D000900:Anti-Bacterial Agents