젖소의 유방염 원인균 및 항생제 감수성의 변화 양상 조사

• 영문명: Patterns of mastitic pathogens and antibiotic susceptibility in milk of dairy cattle
• 발행기관: 한국예방수의학회
• 저자명: 김종만(Jong Man Kim) 정석찬(Suk Chan Jung) 이지연(Ji Youn Lee) 서옥석(Ohk Suk Seo) 박정문(Jeong Moon Park)
• 간행물 정보: 『Korean Journal of Veterinary Public Health』Vol.16, No.1, 7~13쪽, 전체 7쪽
• 주제분류: 의약학 > 면역학
• 파일형태: PDF
• 발행일자: 1992.06.30

영문 초록

The experiment described in this study was undertaken to investigate the incidence of bovine mastitis, and the distribution and antibiotic susceptibility of microorganisms isolated from milk of 2,073 dairy cattle during the period from May 1987 to September 1990. 1. A total of 119 (5.7%) of 2,073 cows were found to be infected with clinical mastitis. The incidence of subclinical mastitis was much higher, and the infection was found in 2,273 (28.8%) of 7,886 quarters. 2. Staphylococcus.(56.1%) and Streptococcus (14.8%) were the main two causative organisms of mastitis. Micrococcus (4.9%), coliforms (7.0%), corynebacterium (5.1%), yeast (1.3%) and others (10.6%) were also found to cause the infection. 3. The causative organisms isolated from milk were sensitive to gentamicin (64.7%), cephalothin (62.8%) and chloramphenicol (55.4%), and were very resistant to penicillin (10.4%), ampicillin (13.6%) and streptomycin (18.3%). The causative organisms isolated in 1990 showed a higher resistance to ampicillin, penicillin, streptomycin, tetracycline and vancomycin than the isolates of 1987.

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Mastitis Mastitic pathogens Antibiotic susceptibility Dairy cattle