| Prevalence of isolated microorganisms and antimicrobial susceptibility from half milk in dairy goats |
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Joon-chul Yoon1, Jeong-chi Lee2, Sang-ki Kim1, Young-seok Park3, Jong-taek Kim4, Chung-gil Lee1, Chai-yong Lee1 |
1College of Veterinary Medicine, Chonnam National University
2Department of Veterinary Nurse and Pets Sciences, Seojeong College
3Department of Companion and Laboratory Animal Science, Kongju National University
4Department of Veterinary Medicine, Kangwon National University |
| 젖염소 분방 유즙에서 분리한 세균 및 항균제 감수성 조사 |
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윤준철1, 이정치2, 김상기1, 박영석3, 김종택4, 이정길1, 이채용1 |
1전남대학교 수의과대학
2서정대학 애완동물과
3공주대학교 특수동물학과
4강원대학교 수의학과 |
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| Abstract |
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Samples of milk were collected from 425 halves of 216 dairy goats in Chonnam province over a period of January through August 2003. Bacterial isolation was carried out on those samples, and their antimicrobial susceptibility was tested. Bacteria were isolated from 166 milk samples (39.1%), either singly (74.7%) or in combination (25.3%). Of the 220 isolates, Staphylococcus spp. was the most prevalent (82.6%), followed by Streptococcus spp. (2.7%), Corynebacterium spp. (1.8%), Enterococcus spp. (1.8%), and Pasteurella spp. (1.8%). Of the 11 species identified from the 182 isolates of Staphylococcus spp., the most frequent species identified were S. epidermidis (28.6%) followed by S. chromogens (14.8%), S. haemolyticus (12.6%), S. aureus (12.1%), S. capitis (8.2%), S. lentus (8.2%), S. hyicus (4.4%), S. simulans (4.4%), S. caprae (2.8%), S. hominis (2.8%) and S. warneri (1.1%). Antimicrobial sensitivity test revealed that most isolates were highly susceptible to 11 antimicrobial agents (96.4 ~ 80.9%), while most isolates were resistant to penicillin. |
| Key Words:
dairy goats, bacterial isolation, antimicrobial susceptibility |
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