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Antibiotic resistance of Aeromonas salmonicida isolated from Atlantic salmon, Salmo salar L., in Scotland
Author(s) -
INGLIS V.,
FRERICHS G. N.,
MILLAR S. D.,
RICHARDS R. H.
Publication year - 1991
Publication title -
journal of fish diseases
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.819
H-Index - 85
eISSN - 1365-2761
pISSN - 0140-7775
DOI - 10.1111/j.1365-2761.1991.tb00832.x
Subject(s) - aeromonas salmonicida , salmo , oxolinic acid , biology , oxytetracycline , outbreak , antibiotics , antibiotic sensitivity , antibiotic resistance , microbiology and biotechnology , veterinary medicine , fishery , zoology , fish <actinopterygii> , virology , nalidixic acid , medicine
. Antibiotic sensitivity patterns of 304 isolates of Aeromonas salmonicida from 229 outbreaks of furunculosis among salmon in Scotland between 1988 and 1990 were investigated. Fifty‐five per cent were resistant to oxytetracycline and 37% resistant to oxolinic acid. Multiple resistance was common (52%) and 18 out of 19 antibiograms which were found in the first year recurred in the succeeding year. More than a quarter of the outbreaks were associated with two or more A. salmonicida variants distinguishable by their antibiotic sensitivity patterns. The implications of these findings in the control of furunculosis are considered.