Pathogenic effects of Vibrio alginolyticus on larvae and postlarvae of the red abalone Haliotis rufescens

The pathogenicity of Vibrio alginolyticus on Haliotis rufescens veliger larvae and 4 d old postlarvae was tested in small-scale static bioassays with different bacterial concentrations (10 super(2) to 10 super(6) cells ml super(-1)). Larval and postlarval survival were evaluated at 24 and 48 h. Resu...

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Bibliographic Details
Published in:Diseases of aquatic organisms 1998-06, Vol.33 (2), p.119-122
Main Authors: ANGUIANO-BELTRAN, C, SEARCY-BERNAL, R, LIZARRAGA-PARTIDA, M. L
Format: Article
Language:English
Subjects:
Animal aquaculture
Animal productions
Biological and medical sciences
Fundamental and applied biological sciences. Psychology
Haliotis rufescens
Invertebrate aquaculture
Marine
Mollusca
Vibrio alginolyticus
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Summary:The pathogenicity of Vibrio alginolyticus on Haliotis rufescens veliger larvae and 4 d old postlarvae was tested in small-scale static bioassays with different bacterial concentrations (10 super(2) to 10 super(6) cells ml super(-1)). Larval and postlarval survival were evaluated at 24 and 48 h. Results suggest that V. alginolyticus can cause massive mortality in larvae of H. rufescens within 24 h at concentrations above 10 super(5) cell ml super(-1), while a concentration of 10 super(6) cell ml super(-1) is required to produce the same effect in abalone postlarvae. The potential application of these results to hatchery conditions is discussed.
ISSN:0177-5103
1616-1580
DOI:10.3354/dao033119