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KMID : 0545120100200101446
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Journal of Microbiology and Biotechnology
2010 Volume.20 No. 10 p.1446 ~ p.1449
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Antimicrobial Susceptibility of Coagulase-Negative Staphylococci Isolated from Bovine Mastitis between 2003 and 2008 in Korea
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Nam Hyang-Mi
Lim Suk-Kyung
Kim Jae-Myung
Kang Hyun-Mi
Moon Jin-San
Jang Geum-Chan
Kim Jong-Man
Wee Sung-Hwan
Joo Yi-Seok
Jung Suk-Chan
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Abstract
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A total of 1,444 coagulase-negative staphylococci (CNS) isolates from bovine mastitic milk samples collected during 2003-2008 in Korea were identified to the species level. Of 14 species identified, S. simulans, S. haemolyticus, and S. sciuri accounted for over 60% of the isolates. All the CNS isolates were tested for susceptibility to eight antimicrobials commonly used in dairy cattle. With a few exceptions, similar resistance patterns were observed among the CNS species: penicillin and ampicillin showed the lowest activity while amikacin, cephalothin, and gentamycin were highly effective. About 39% (557/1,444) of the CNS isolates were pan-susceptible, while 12% (175/1,444) showed resistance to four or more antimicrobials tested.
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KEYWORD
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Coagulase-Negative Staphylococci, antimicrobial resistance, mastitis
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