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KMID : 0359319770170020073
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Korean Journal of Veterinary Research
1977 Volume.17 No. 2 p.73 ~ p.78
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Drug Resistant Coliform Organisms in Shinchun Stream ( Daegu )
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Abstract
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The distribution of coliform population and drug-resistant coliforms in Shinchun water during April to August in 1976 and R factors in resistant strains were studied.
The mean coliform population in the stream water was 361 organisms per 0.1㎖ and 53,5% of total coliforms were fecal coliforms. Thritynine and a half percent of total coliforms were streptomycin (SM) resistant to one or more of following antibiotics; tetracycline (TC), chloramphenicol (CM), ampicillin (AP) and kanamycin (KM).
The most frequent resistant pattern was triple resistance to SM, TC and AP (23.8%) and followed by quadruple one to SM, TC, CM and AP (17.5%). About 87 percent strains carried R factors which were transferable by conjugation to E. coli ML 1410 or S. typhimurium LT 2.
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