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- Title
- Mortality in single-pair mating families of QX disease resistant and wild-type Sydney rock oysters (Saccostrea glomerata)
- Related
- Aquaculture research, Vol. 42, Issue 7, (2010), p.987-995
- DOI
- 10.1111/j.1365-2109.2010.02682.x
- Publisher
- Wiley-Blackwell Publishing
- Date
- 2010
- Author/Creator
- Kan, Alison
- Author/Creator
- Dove, Michael C
- Author/Creator
- O'Connor, Wayne A
- Author/Creator
- Nair, Sham V
- Author/Creator
- Raftos, David A
- Description
- QX disease causes mass mortalities among Sydney rock oysters (Saccostrea glomerata). To overcome commercial production losses, Industry & Investment NSW has been developing mass selected QX disease-resistant breeding lines since 1997. This breeding programme has significantly reduced QX-associated mortality in the Lime Kiln Bar (LKB) breeding line relative to non-selected, wild-type (WT) oysters. The current study assessed mortality in families produced by single-pair mating between LKB and WT oysters. When these families were grown in a QX disease-prone area, the progeny of LKB × LKB crosses had significantly lower mortality compared with LKB × WT or WT × WT families. Mortality in the different crosses was associated with infection by sporulating Marteilia sydneyi, the parasite responsible for QX disease. Overall, the study identified a strong association between parentage and mortality resulting from QX disease.
- Description
- 9 page(s)
- Subject Keyword
- 070400 Fisheries Sciences
- Subject Keyword
- Sydney rock oysters
- Subject Keyword
- pair mating
- Subject Keyword
- QX disease
- Subject Keyword
- mortality
- Subject Keyword
- Saccostrea glomerata
- Resource Type
- journal article
- Organisation
- Macquarie University. Dept. of Chemistry and Biomolecular Sciences
- Organisation
- Macquarie University. Dept. of Biological Sciences
- Identifier
- http://hdl.handle.net/1959.14/185001
- Identifier
- ISSN:1355-557X
- Identifier
- mq-rm-2011002698
- Language
- eng
- Reviewed
Macquarie University ResearchOnline
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