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KMID : 1023519980210020149
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Korean Journal of Veterinary Service
1998 Volume.21 No. 2 p.149 ~ p.156
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Antibiotic susceptibility and toxin production of Escherichia coli isolated from diseased domestic animals
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Kim Young-Hoan
Jang Jee-Taek
Jang Young-Sul
Oh Gang-Hee
Park Young-Gu
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Abstract
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The present study was carried out to investigate the biochemical characteristics, antibiotic susceptibility and toxin(ST, LT, VT1.2 type) production test of 60 Escherichia coli isolated from diseased domestic animals in southern area of Kyungbuk province from April to December 1997. 1. The biochemical and cultural reaction were consistent with the classification criteria of Edwards and Ewing. 2. In antibiotic susceptibility test, 60 E coli showed highly susceptible to CL(96.7%), XNL(86.7%), AN(81.7%), SXT(61.7%), Lin(55%), GM(53.3%), KM(41.7%), N(41.7%), ENR(40%), AM(40%), CF(30%), 5(13.3%) and Te(11.7%), in order. 3. Sixty E coli isolates were multiful resistant to seven or more antibiotics incombination. 4. Three strains for 60 E coli were detected heat-labile enterotoxin(LT) and that’s titers were 2, 8 and 16, respectively.
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KEYWORD
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E coli, Antibiotic susceptibility, Toxin production test
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