APPEARANCE OF R-FACTOR-MEDIATED DRUG RESISTANCE IN SALMONELLA TYPHIMURIUM EXCRETED BY CARRIER CALVES ON A FEEDLOT
スポンサーリンク
概要
- 論文の詳細を見る
A group of 36 calves, most of which were excreting Salmonella typhimurium sensitive to tetracycline (TC), were brought to a feedlot on which a high dose of chlortetracycline was fed. Four of the calves excreted the organism resistant to TC once or repeatedly during a period from 8 to 20 days after introduction. R factors were detected from the TC-resistant S. typhimurium strains. Of the strains, 6 from 2 calves had the R factor conferring TC-resistance, which was detected only by mixed cultivation at room temperature (about 25℃).
- 北海道大学の論文
著者
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Sato Gihei
Department Of Disease Control School Of Veterinary Medicine University Of Zambia
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Kodama Hiroshi
Department Of Epizootiology Faculty Of Veterinary Medicine Hokkaido University
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