Prevalence and antimicrobial susceptibility of Salmonella isolates in Pekin ducks from South Korea |
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Authors: | Se-Yeoun Cha Min Kang Ran-Hee Yoon Choi-Kyu Park Oun-Kyoung Moon Hyung-Kwan Jang |
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Institution: | 1. Department of Infectious Diseases & Avian Diseases, College of Veterinary Medicine and Korea Zoonosis Research Institute, Chonbuk National University, Chonbuk, South Korea;2. Department of Infectious Diseases, College of Veterinary Medicine, Kyungpook National University, Daegu, South Korea;3. Veterinary Epidemiology Division, Animal, Plant and Fisheries Quarantine and Inspection Agency (QIA), South Korea |
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Abstract: | An investigation was carried out to determine the prevalence and antibiotic resistance of Salmonella serotypes at South Korean duck farms. A total of 7119 samples collected from 72 duck farms in five provinces were examined from 2011 to 2012. The overall prevalence of Salmonella serotypes was 43.4% (69/159) in duck flocks from 65.2% (47/72) of the duck farms. Eighty-five strains were isolated from 69 duck flocks. Three serotypes of Salmonella enterica were identified such as S. Typhimurium (39/85), S. Enteritidis (44/85), and S. London (2/85). The prevalence of Salmonella infection decreased significantly in 3-week-old ducks compared to that in 1-week-old ducks (P < 0.05). All isolates except one were resistant to at least one antimicrobial and 27% of the isolates were resistant to 5–16 antimicrobials. Our findings provide baseline information on the degree of Salmonella infection and distribution of Salmonella serotypes in ducks and indicate that ducks should be considered an important source of foodborne pathogens. |
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Keywords: | Salmonella serotype Ducks Prevalence Antimicrobial resistance |
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