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Identification and staphylococcal cassette chromosome mec (SCCmec) type of methicillin-resistant coagulase-negative staphylococci isolated from chickens  

Kong, Shin-Koog (Buyeo-branch, Chungnam Veterinary Research Institute)
Yook, Sim-Yong (Buyeo-branch, Chungnam Veterinary Research Institute)
Lee, Geon-Taek (Buyeo-branch, Chungnam Veterinary Research Institute)
Kim, So-Yeon (Department of Clinical Laboratory Sciences, Catholic University of Pusan)
Hong, Young-Un (Buyeo-branch, Chungnam Veterinary Research Institute)
Jung, Yoon-Taek (Buyeo-branch, Chungnam Veterinary Research Institute)
Lee, Jung-Hwa (Department of Clinical Laboratory Sciences, Catholic University of Pusan)
Kim, Hee-Jeong (Department of Clinical Laboratory Sciences, Catholic University of Pusan)
Hwang, Soo-Myung (Department of Clinical Laboratory Sciences, Catholic University of Pusan)
Chang, Kyung-Soo (Department of Clinical Laboratory Sciences, Catholic University of Pusan)
Publication Information
Korean Journal of Veterinary Service / v.33, no.3, 2010 , pp. 233-240 More about this Journal
Abstract
Methicillin-resistant coagulase-negative staphylococci (MRCNS) were isolated from the respiratory sites of chickens in 4 farms and slaughter house located in Chungnam provinces. Isolation of coagulase-negative staphylococci (CNS) was positive for 61 (26.6%) of the 229 chickens tested, and isolation of MRCNS was positive for 17 (27.9%) of the isolated CNS. A total of 17 MRCNS isolates were selected and subjected to identification. Of the 17 MRCNS isolates selected, 6 were identified as Staphylococcus cohnii, 2 as S. saprophyticus, 3 as S. simulans, 3 as S. lentus, 2 as S. carnosus, and 1 as S. xylosus. The MRCNS isolates were resistant to many beta-lactam antibiotics, and some isolates were also resistant to macrolide and aminoglycoside antibiotics. The mecA gene was detected in some isolates of each MRCNS strains. The mecA-positive isolates were classified into five staphylococcal cassette chromosome mec (SCCmec). SCCmec types I to IV were detected in isolates from chickens.
Keywords
Methicillin-resistant coagulase-negative staphylococci (MRCNS); Staphylo-coccal cassette chromosome mec (SCCmec) type; Chicken;
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