Abstract
The first incidence of vibriosis in captive adult seabream ( Acanthopagrus cuvieri) is reported here. Vibrio spp., differing biochemically and serologically from Vibrio anguillarum, were isolated. Lethal concentration doses, at which 50% of fish died, were determined in fingerlings (20 g) and juveniles (40 g) via intramuscular injection to be 5×10 6 and 5×10 7 bacteria, respectively. Gross clinical signs included diffused haemorrhage on the body, pale liver, congested spleen and enlarged kidneys. Histopathological changes observed in infected fish included necrosis and atrophy of hepatocytes in the liver, necrosis of sheathed arteries in the spleen and necrosis of renal tubules and glomeruli in the kidney.
Published Version
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