Antimicrobial resistance observed in Escherichia coli strains isolated from fecal samples of cattle and pigs in Korea during 2003-2004.
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.
Lim
Suk-Kyung
SK
National Veterinary Research and Quarantine Service, Ministry of Agriculture and Forestry, Anyang, Kyonggido, Republic of Korea.
Lee
Hee-Soo
HS
Nam
Hyang-Mi
HM
Cho
Yun-Sang
YS
Kim
Jong-Man
JM
Song
Si-Wook
SW
Park
Yong-Ho
YH
Jung
Suk-Chan
SC
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
D000900:Anti-Bacterial Agents