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KMID : 0364820100460040341
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Korean Journal of Microbiology
2010 Volume.46 No. 4 p.341 ~ p.345
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Antimicrobial Susceptibility of Staphylococci sp. Isolated from Bovine Milk
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Kim Ji-Hoon
Ko Mun-Joo
Kim Ka-Hee
Lee Seung-Hoon
Choi Sung-Sook
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Abstract
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The prevalence and antimicrobial susceptibilities of Staphylococcal isolates from bovine milk samples were assessed. From January 2009 to October 2009, a total 287 bovine milk samples were randomly collected from 15 stock raising farms located in northern area of Kyunggi province and cultured for the presence of Staphylococci spp. A total 79 staphylococcal isolates were recovered from the milk samples. The predominant isolates were S. aureus (43.03%) and S. chromogenes (24.05%). Antimicrobial resistance patterns of 79 Staphylococcal isolates against ampicillin, chloramphenicol, ciprofloxacin, erythromycin, gentamicin, oxacillin, teicoplanin, tetracyclin, and vancomycin were tested. Staphylococcal
isolates revealed the highest resistance to ampicillin (56.96%) and oxacillin (39.23%). Of 31 oxacillin resistance strains, 8 strains carry mecA gene which is responsible for methicillin resistance.
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KEYWORD
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antimicrobial susceptibilities, bovine milk sample, mecA, Staphylococcal isolates
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