Parasites, pathological conditions and mortality in QX-resistant and wild-caught Sydney rock oysters, Saccostrea glomerata

Green, Timothy J., Jones, Brian J., Adlard, Robert D. and Barnes, Andrew C. (2008) Parasites, pathological conditions and mortality in QX-resistant and wild-caught Sydney rock oysters, Saccostrea glomerata. Aquaculture, 280 1-4: 35-38. doi:10.1016/j.aquaculture.2008.04.004


Author Green, Timothy J.
Jones, Brian J.
Adlard, Robert D.
Barnes, Andrew C.
Title Parasites, pathological conditions and mortality in QX-resistant and wild-caught Sydney rock oysters, Saccostrea glomerata
Formatted title
Parasites, pathological conditions and mortality in QX-resistant and wild-caught Sydney rock oysters, Saccostrea glomerata
Journal name Aquaculture   Check publisher's open access policy
ISSN 0044-8486
Publication date 2008-08-01
Year available 2008
Sub-type Article (original research)
DOI 10.1016/j.aquaculture.2008.04.004
Open Access Status Not yet assessed
Volume 280
Issue 1-4
Start page 35
End page 38
Total pages 4
Editor B. A. Costa-Pierce
E. M. Donaldson
G. Hulata
Place of publication Netherlands
Publisher Elseiver BV
Language eng
Subject C1
960407 Control of Pests, Diseases and Exotic Species in Marine Environments
070401 Aquaculture
070404 Fish Pests and Diseases
0704 Fisheries Sciences
Abstract Differences in the survival of QX-resistant fifth generation (QXR5) and wild-caught (Wild-Caught) Sydney rock oysters were assessed over the QX-disease risk period in the Pimpama River, SE Queensland. Cumulative mortality of Wild-Caught oysters (31.7%) was significantly greater than QXR5 oysters (0.0%) over the 118 days of the experiment. PCR and histological results showed that Wild-Caught oyster did not die from QX disease. Histology revealed oysters were infected with disseminating hemocytic neoplasia, a Steinhausia-like infection, a Rickettsia-like organism infecting epithelial cells of the gill, digenean flukes encysted in the gonadal tissue and a gill response to an unknown toxin. The cause of mortality is attributed to disseminating hemocytic neoplasia. (C) 2008 Elsevier B.V. All rights reserved.
Formatted abstract
Differences in the survival of QX-resistant fifth generation (QXR5) and wild-caught (Wild-Caught) Sydney rock oysters were assessed over the QX-disease risk period in the Pimpama River, SE Queensland. Cumulative mortality of Wild-Caught oysters (31.7%) was significantly greater than QXR5 oysters (0.0%) over the 118 days of the experiment. PCR and histological results showed that Wild-Caught oyster did not die from QX disease. Histology revealed oysters were infected with disseminating hemocytic neoplasia, a Steinhausia-like infection, a Rickettsia-like organism infecting epithelial cells of the gill, digenean flukes encysted in the gonadal tissue and a gill response to an unknown toxin. The cause of mortality is attributed to disseminating hemocytic neoplasia.
Keyword Sydney rock oysters
Saccostrea glomerata
Neoplasia
Steinhausia sp.
Marteilia sydneyi
Disease resistance
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

 
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Created: Wed, 15 Apr 2009, 18:55:32 EST by Peter Fogarty on behalf of Centre for Marine Studies