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Multiple Antimicrobial Resistance in a Chronic Bacterial Infection of Koi Carp
Author(s) -
Taylor P. W.
Publication year - 2003
Publication title -
north american journal of aquaculture
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.432
H-Index - 41
eISSN - 1548-8454
pISSN - 1522-2055
DOI - 10.1577/1548-8454(2003)65<120:mariac>2.0.co;2
Subject(s) - microbiology and biotechnology , biology , nalidixic acid , aeromonas hydrophila , amikacin , antimicrobial , citrobacter freundii , antibiotic resistance , ampicillin , florfenicol , pseudomonas aeruginosa , aeromonas , thiamphenicol , chloramphenicol , antibiotics , klebsiella pneumoniae , bacteria , escherichia coli , biochemistry , genetics , gene
Thirty bacterial isolates were obtained from 20 common carp Cyprinus carpio of the strain known as koi during a 2‐month disease outbreak. Thirteen were identified as Aeromonas hydrophila , 11 as A. sobria , 2 as A. caviae , 2 as Shewanella putrifaciens , and 1 each as Citrobacter freundii and Pseudomonas spp. Each isolate was tested for resistance to 13 antimicrobial compounds using impregnated paper discs. The resistance of potential fish pathogens to four of the compounds (amikacin, chloramphenicol, furanace, and nitrofurazone) are reported for the first time. Amikacin, chloramphenicol, and nitrofurantoin were the most efficacious antimicrobials. Ampicillin, oxytetracycline, and nalidixic acid were the least effective. All of the bacterial isolates showed multiple resistance to many of the antimicrobials.