Characterization of β-haemolytic Group B Streptococcus agalactiae in cultured seabream, Sparus auratus L., and wild mullet, Liza klunzingeri (Day), in Kuwait

Streptococcus agalactiae was isolated from cultured gilthead seabream, Sparus auratus L., and diseased wild Klunzinger's mullet, Liza klunzingeri (Day), in Kuwait Bay, Arabian Gulf. Isolates were catalase negative, β‐haemolytic, Gram‐positive cocci and serogroup B. Experimental infectivity tria...

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Bibliographic Details
Published in:Journal of fish diseases 2002-09, Vol.25 (9), p.505-513
Main Authors: Evans, J J, Klesius, P H, Gilbert, P M, Shoemaker, C A, Al Sarawi, M A, Landsberg, J, Duremdez, R, Al Marzouk, A, Al Zenki, S
Format: Article
Language:English
Subjects:
characterization
Kuwait
Liza klunzingeri
Marine
Oreochromis niloticus
Sparus aurata
Sparus auratus
Streptococcus agalactiae
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Summary:Streptococcus agalactiae was isolated from cultured gilthead seabream, Sparus auratus L., and diseased wild Klunzinger's mullet, Liza klunzingeri (Day), in Kuwait Bay, Arabian Gulf. Isolates were catalase negative, β‐haemolytic, Gram‐positive cocci and serogroup B. Experimental infectivity trials with mullet and seabream brain isolates in Nile tilapia, Oreochromis niloticus L., caused 100 and 90% mortality, respectively, within 7 days post‐inoculation indicating virulent S. agalactiae as the bacterial pathogen responsible for the epizootic in Kuwait Bay.
ISSN:0140-7775
1365-2761
DOI:10.1046/j.1365-2761.2002.00392.x