Korean Journal of Veterinary Research 2005;45(4):563-568.
Biochemical characteristics of Aeromonas hydrophilia isolated from Jackass Penguins (Spheniscus demersus) and Capelins (Mallotus villosus)
Kyoo-Tae Kim1, Sung-Whan Cho2, Hwa-Young Son2, Si-Yun Ryu2
1Wild Animal Hospital, Daejeon Zoo Land
2College of Veterinary Medicine, Chungnam National University
자카스펭귄과 열빙어에서 분리된 Aeromonas hydrophilia의 생화학적 특성
김규태1, 조성환2, 손화영2, 류시윤2
1대전동물원 동물병원
2충남대학교 수의과대학
The present study was conducted to investigate biochemical characteristics and antimicrobial susceptibility of Aeromonas hydrophilia isolated from Jackass penguins (Spheniscus demersus) of zoo and capelins (Mallotus villosus). Seven of Jackass penguins showed anorexia, depression with seriously greenish vomiting for a few days, but resulted in 4 deaths although extensive treatment was carried out by zoo veterinarians. From the 18 samples composed of organs or feces from dead or live Jackass penguins and capelins, 4 (22.2%) Aeromonas hydrophilia were isolated and Bacillus spp, Staphylococcus aureus, Staphylococcus auricularis, Staphylococcus cohnii and Enterobacter aminigenus were also identified. Antimicrobial susceptibility tests of Aeromonas hydrophilia showed that all isolates were susceptible to amikacin, gentamicin, kanamycin, norfloxacin and trimethoprim- sulfadimethoxazole. However, all isolates were resistant to the following antimicrobials; ampicillin, bacitracin, c ephalothin, cefazolin, noboviocin, penicillin and vancomycin.
Key Words: Aeromonas hydrophilia, antimicrobial susceptibility, capelin, Jackass penguin

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