Prevalence of antimicrobial resistance in bacteria isolated from Great Cormorants (Phalacrocorax carbo hanedae) in Japan.

The Journal of Veterinary Medical Science
Justice Opare OdoiTetsuo Asai

Abstract

Wild birds are recognized as disseminators of antimicrobial-resistant (AMR) bacteria into the environment. Here, we isolated AMR indicator bacteria from 198 Great Cormorant cloacal swabs collected in Shiga (n=90), Oita (n=52), Gifu (n=29), and Gunma (n=27) Prefectures, Japan, in 2018 and 2019. In total, 198 Aeromonas spp. and 194 Escherichia spp. were isolated, and their antimicrobial susceptibility was examined. Aeromonas spp. were resistant to colistin (8.6%), nalidixic acid (4%), and other antimicrobials (<2%), with 3.0% positivity for mcr-3. Escherichia spp. showed resistance to colistin (3.1%), ampicillin (2.6%), tetracycline (2.1%), and other antimicrobials (<2%). This study shows the presence of AMR bacteria in Great Cormorants, indicating that these birds potentially disseminate AMR bacteria.

References

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Jan 28, 2020·The Journal of Veterinary Medical Science·Tetsuo AsaiMasako Andoh
Mar 3, 2020·Emerging Microbes & Infections·Chengcheng WangZhiyong Zong

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