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설사자돈(泄瀉子豚) 유래(由來) 대장균(大腸菌)의 항생물질(抗生物質) 내성(耐性)에 관(關)하여
조광현 ( Kwang Hyon Cho ),박노찬 ( No Chan Park ),권헌일 ( Hun Ill Keun ),김이준 ( Lee Zun Kim ),박덕상 ( Duk Sang Park ) 한국동물위생학회 1992 한국동물위생학회지 (KOJVS) Vol.15 No.2
The present study was conducted to investigate the biochemical characteristics and antibiotic resistance of pathogenic Escherichia coli(E. coli) isolated from piglets with diarrhea in Kyongbuk province during the period from February to November 1991. 368 E. coli strains were isolated from 382 piglets with diarrhea and the biochemical and cultural reaction were compared with the classification criteria of Edwards and Ewing. Tetracycline and sulfadimethoxine were found to be highly ineffective at in vitro inhibition of the E. coli of piglets origin. The majority of E. coli were susceptible to amikacin, chloramphenicol and gentamicine. 89(89.0%) of 100 strains of E. coil were resistant to one or more drugs. The organisms resistant to 20 or 3 drugs were 54(60.6%) of 89 strains, whereas 16(17.9%) strains were found to be resistant to one drug. 55(61.8%) out of 89 drug resistance strains carried R factors(R+) which were transferable to the recipients by conjugation.
호흡기질병 감염 송아지에서 분리한 Pasteurella haemolytica의 생화학적 특성 및 약제 감수성
조광현 ( Kwang Hyon Cho ),박노찬 ( No Chan Park ),권헌일 ( Hun Ill Keun ),김이준 ( Lee Zun Kim ),박덕상 ( Duk Sang Park ) 한국동물위생학회 1991 한국동물위생학회지 (KOJVS) Vol.14 No.2
The present study was conducted to investigate biochemical properties and antimicrobial drug susceptibilities of 36 strains of Pasleurella haemolytica(P haemolylica) isolated from pneumonic calves in Kyongbuk province during the period from January 1990 to December 1990. P haemolytica was isolated from 36 of 111(32.4%) pneumonic calves of 1 to 6 months of age. The majority of biochemical and cultural properties of P haemolylica isolated from calves were identical to those of the reference strains employed. All isolated were susceptible to baytril, gentamicin, and kanamycin, some of them were resistant to tetracycline, amikacin, streptomycin, and ampicillin.