Bowater, R. O. and Forbes-Faulkner, J. and Anderson, I. G. and Condon, K. and Robinson, B. and Kong, F. and Gilbert, G. L. and Reynolds, A. and Hyland, S. and McPherson, G. and Brien, J. O. and Blyde, D. (2012) Natural outbreak of Streptococcus agalactiae (GBS) infection in wild giant Queensland grouper, Epinephelus lanceolatus (Bloch), and other wild fish in northern Queensland, Australia. Journal of Fish Diseases, 35 (3). pp. 173-186. ISSN 0140-7775
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Article Link(s): http://dx.doi.org/10.1111/j.1365-2761.2011.01332.x
Ninety-three giant Queensland grouper, Epinephelus lanceolatus (Bloch), were found dead in Queensland, Australia, from 2007 to 2011. Most dead fish occurred in northern Queensland, with a peak of mortalities in Cairns in June 2008. In 2009, sick wild fish including giant sea catfish, Arius thalassinus (Ruppell), and javelin grunter, Pomadasys kaakan (Cuvier), also occurred in Cairns. In 2009 and 2010, two disease epizootics involving wild stingrays occurred at Sea World marine aquarium. Necropsy, histopathology, bacteriology and PCR determined that the cause of deaths of 12 giant Queensland grouper, three wild fish, six estuary rays, Dasyatis fluviorum (Ogilby), one mangrove whipray, Himantura granulata (Macleay), and one eastern shovelnose ray, Aptychotrema rostrata (Shaw), was Streptococcus agalactiae septicaemia. Biochemical testing of 34 S.agalactiae isolates from giant Queensland grouper, wild fish and stingrays showed all had identical biochemical profiles. The 16S rRNA gene sequences of isolates confirmed all isolates were S.agalactiae; genotyping of selected S.agalactiae isolates showed the isolates from giant Queensland grouper were serotype Ib, whereas isolates from wild fish and stingrays closely resembled serotype II. This is the first report of S.agalactiae from wild giant Queensland grouper and other wild tropical fish and stingray species in Queensland, Australia.
|Business groups:||Animal Science|
|Additional Information:||Bowater, R. O. Forbes-Faulkner, J. Anderson, I. G. Condon, K. Robinson, B. Kong, F. Gilbert, G. L. Reynolds, A. Hyland, S. McPherson, G. Brien, J. O. Blyde, D.|
|Subjects:||Aquaculture and Fisheries > Fisheries > By region or country > Australia|
Veterinary medicine > Veterinary pathology
Veterinary medicine > Diseases of special classes of animals
|Deposited On:||10 Apr 2014 03:06|
|Last Modified:||10 Apr 2014 03:06|
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