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Diseases of Aquatic Organisms

    DAO prepress abstract   -  DOI:

    An outbreak of multidrug-resistant Salmonella Kentucky infection in long-nosed fur seals

    David J. Blyde*, Duan March, Peter Howard, Vitali Sintchenko, Estelle Rousselet, Cathrine Atkin

    *Corresponding author:

    ABSTRACT: An outbreak of salmonellosis occurred in a group of seven long-nosed fur seals (Arctocephalus forsteri) undergoing rehabilitation after being found injured and malnourished on beaches along the northern New South Wales and southern Queensland coasts of Australia. Three of seven animals developed clinical disease and died within 3 days. Clinical signs included profuse diarrhea, vomiting, depression, and lethargy. Salmonella enterica subsp. enterica serovar Kentucky (S. Kentucky) was cultured from two of the three deceased animals. The other four animals showed similar signs and recovered following treatment. S. Kentucky (antigenic formula 8,20:i:z6) was isolated from the survivors and tissues recovered from post-mortem samples of deceased animals. The bacterium was susceptible to cephalothin and sulfamethoxazole/trimethoprim and resistant to amoxicillin-clavulanate, ampicillin/amoxicillin, tetracycline, and enrofloxacin.