Disease prevention strategies for QX disease (Marteilia sydneyi) of Sydney rock oysters (Saccostrea glomerata)

Green, Timothy J., Raftos, David, O'Connor, Wayne, Adlard, Robert D. and Barnes, Andrew C. (2011) Disease prevention strategies for QX disease (Marteilia sydneyi) of Sydney rock oysters (Saccostrea glomerata). The Journal of Shellfish Research, 30 1: 47-53. doi:10.2983/035.030.0108

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Author Green, Timothy J.
Raftos, David
O'Connor, Wayne
Adlard, Robert D.
Barnes, Andrew C.
Title Disease prevention strategies for QX disease (Marteilia sydneyi) of Sydney rock oysters (Saccostrea glomerata)
Formatted title
Disease prevention strategies for QX disease (Marteilia sydneyi) of Sydney rock oysters (Saccostrea glomerata)
Journal name The Journal of Shellfish Research   Check publisher's open access policy
ISSN 0077-5711
0730-8000
1943-6319
Publication date 2011-04
Year available 2011
Sub-type Article (original research)
DOI 10.2983/035.030.0108
Open Access Status File (Publisher version)
Volume 30
Issue 1
Start page 47
End page 53
Total pages 7
Place of publication Hanover, PA, Unite States
Publisher National Shellfisheries Association
Collection year 2012
Language eng
Formatted abstract
The Sydney rock oyster (Saccostrea glomerata) forms the basis of an important aquaculture industry on the east coast of Australia. During the 1970s, production of S. glomerata began to decline, in part as a result of mortalities arising from Queensland unknown (QX) disease. Histological studies implicated the paramyxean parasite Marteilia sydneyi in the disease outbreaks. Disease zoning was implemented to prevent the spread of M. sydneyi-infected oysters. This control measure hindered rock oyster farming, which historically has relied on transferring wild-caught spat between estuaries for on-growing to market size and has not prevented the subsequent occurrence of QX disease in the Georges and Hawkesbury rivers in central New South Wales. Management of QX disease has been hampered by the complicated life cycle of M. sydneyi, with outbreaks of QX disease likely to be regulated by a combination of the abundance of intermediate host of M. sydneyi, environmental stressors, and the immunocompetence of S. glomerata. The future of the Sydney rock oyster industry relies on understanding these factors and progressing the industry from relying on farming wild-caught seed to the successful commercialization of hatchery-produced QX-resistant S. glomerata.
Keyword Disease management
Marteilia
Oyster
Saccostrea
QX disease
Copepod paracartia-grani
Crassostrea-gigas
Pacific oyster
Phenoloxidase activity
Molecular diagnosis
Protozoan parasite
Perkinsus-marinus
Fine-structure
Life-cycle
In-vitro
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: Official 2012 Collection
School of Biological Sciences Publications
 
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Created: Fri, 02 Sep 2011, 16:59:53 EST by Gail Walter on behalf of School of Biological Sciences