Effects of temperature on herpes-like virus detection among hatchery-reared larval Pacific oyster Crassostrea gigas

Type Article
Date 1996-02
Language English
Author(s) Ledeuff Rm1, Renault Tristan1, Gerard A2
Affiliation(s) 1 : IFREMER,UNITE RECH PATHOL & IMMUNOL GEN,BP 133,F-17390 LA TREMBLADE,FRANCE.
2 : IFREMER,LAB GENET AQUACULTURE & PATHOL,UNITE RECH GENET & ECLOSERIE,F-17390 LA TREMBLADE,FRANCE.
Source Diseases Of Aquatic Organisms (0177-5103) (Inter-research), 1996-02 , Vol. 24 , N. 2 , P. 149-157
DOI 10.3354/dao024149
WOS© Times Cited 69
Keyword(s) herpesvirus, Pacific oyster, Crassostrea gigas, larval culture, mortality, temperature
Abstract This paper describes effects of temperature on herpes-like virus detection in Pacific oyster Crassostrea gigas larvae held at different temperatures. Intranuclear, intracytoplasmic and extracellular viral particles were observed in velum and mantle connective tissues of oyster larvae reared at 25-26°C. In larvae held at 22-23OC, although nuclear lesions were observed, the presence of viral particles was not detected. Results were obtained for oyster larvae with 4 different parental origins. Herpesvirus infection was found in 3 of the 4 groups of oyster larvae held In the same conditions at the higher temperature.
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