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Evaluation of cephamycins as supplements to selective agar for detecting Campylobacter spp. in chicken carcass rinses

Authors
Chon, Jung-WhanKim, Young-JiKim, Hong-SeokKim, Dong-HyeonKim, HyunsookSong, Kwang-YoungSung, KidonSeo, Kun-Ho
Issue Date
Apr-2016
Publisher
ELSEVIER SCIENCE BV
Keywords
Campylobacter; Cefotetan; Cefoxitin; ESBL; Chicken
Citation
INTERNATIONAL JOURNAL OF FOOD MICROBIOLOGY, v.223, pp.75 - 78
Indexed
SCIE
SCOPUS
Journal Title
INTERNATIONAL JOURNAL OF FOOD MICROBIOLOGY
Volume
223
Start Page
75
End Page
78
URI
https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/154898
DOI
10.1016/j.ijfoodmicro.2016.01.019
ISSN
0168-1605
Abstract
Although cefoperazone is the most commonly used antibiotic in Campylobacter-selective media, the distribution of cefoperazone-resistant bacteria such as extended-spectrum beta-lactamase (ESBL)-producing Escherichia coli is increasing. Here we evaluated the potential of cephamycins for use as supplements to improve modified charcoal-cefoperazone-deoxycholate agar (mCCDA) by replacing cefoperazone with the same concentrations (32 mg/L) of cefotetan (modified charcoal-cefotetan-deoxycholate agar, mCCtDA) and cefoxitin (modified charcoal-cefoxitin-deoxycholate agar, mCCxDA). In chicken carcass rinse samples, the number of mCCDA plates detecting for Campylobacter (18/70, 26%) was significantly lower than that of mCCtDA (42/70, 60%) or mCCxDA plates (40/70, 57%). The number of mCCDA plates (70/70, 100%) that were contaminated with non-Campylobacter species was significantly higher than that of mCCtDA (20/70, 29%) or mCCxDA plates (21/70, 30%). The most common competing species identified using mCCDA was ESBL-producing E. coli, while Pseudomonas species frequently appeared on mCCtDA and mCCxDA.
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