Host and donor influence on pearls produced by the silver-lip pearl oyster, Pinctada maxima

McDougall, Carmel, Moase, Patrick and Degnan, Bernard M. (2016) Host and donor influence on pearls produced by the silver-lip pearl oyster, Pinctada maxima. Aquaculture, 450 313-320. doi:10.1016/j.aquaculture.2015.08.008


Author McDougall, Carmel
Moase, Patrick
Degnan, Bernard M.
Title Host and donor influence on pearls produced by the silver-lip pearl oyster, Pinctada maxima
Formatted title
Host and donor influence on pearls produced by the silver-lip pearl oyster, Pinctada maxima
Journal name Aquaculture   Check publisher's open access policy
ISSN 0044-8486
1873-5622
Publication date 2016-01-01
Year available 2015
Sub-type Article (original research)
DOI 10.1016/j.aquaculture.2015.08.008
Open Access Status Not Open Access
Volume 450
Start page 313
End page 320
Total pages 8
Place of publication Amsterdam, Netherlands
Publisher Elsevier
Language eng
Formatted abstract
The value of a pearl depends upon five major traits — pearl size, colour, lustre, shape, and surface. To determine host and donor oyster contributions to these traits, a large-scale mantle seeding experiment was conducted in which grafts from 56 donors were used to induce pearl production in 1099 hosts of the silver-lip pearl oyster, Pinctada maxima. Pearls were harvested two years after seeding and individually graded. The amount of nacre deposition, lustre, and two types of defects were associated with host traits, whereas all traits were significantly associated with the donor oyster. A number of correlations between pearl quality traits were also found. These results suggest that potential exists to increase pearl quality via the selective breeding of host and donor oysters, but reveals that careful attention must be paid to potential trade-offs in the design of such breeding programmes.
Keyword Pinctada maxima
Pearl
Pearl quality
Nacre
Biomineralisation
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: Official 2016 Collection
School of Biological Sciences Publications
 
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