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전남도내 사육중인 젖소유래 staphylococcus aureus의 enterotoxin생선과 coagulase 아형분석에 관한 연구
박준규 ( Jun Kyu Park ),임재향 ( Jae Hyang Lim ),서영동 ( Young Dong Seo ),김내영 ( Nae Yeong Kim ),임동연 ( Dong Yeon Lim ),윤선종 ( Seun Jong Yoon ),최종성 ( Jong Sung Choi ),고홍범 ( Hong Bum Koh ) 한국가축위생학회 2000 韓國家畜衛生學會誌 Vol.23 No.4
Staphylococcus aureus is a causative pathogen of bovine mastitis. It is recognized as a common pathogen in human and animal and specially enterotoxin-producing strain of S aureus is a common cause of staphylococcal food poisoning in human. Various food originated raw milk, cheese, butter produced from mastitic cow causes staphylococcal food poisoning. It is difficult to treat the staphylococcal mastitis because of increasing resistance by using overdose of antibiotics. This study was conducted to investigate the enterotoxin-production and coagulase serotypes of S aureus in Chonnam province for 6 month, 1999. Also we studied the antibiotic resistant pattern with 14 types against isolates. 18(10.1%) 5 aureus were isolated from 178 raw milk samples in seven farms. and 8 strains(38%) were isolated in 21 raw milk samples which was below 500,000 somatic cells. We identify that 7(87.5%) of 8 isolates and 15(83.3%) 18 isolates produce enterotoxin. Their enterotoxin serotype was type B(66.7%), type A(33.3%) and type C(13.3%). Also 2 strains of isolates was positive to the type A and B. Coagulase serotype of isolates was 2, 3, 4, 7, arid 8. Most stains(70.6%) were serotype 2. And most strains(17 isolates, 94.4%) except one isolate was multiple resistant to the tested antibiotics.