Files and links (1)
Aquaculture Fish Fisheries - 2024 - Sanders - Suitability of Monospecific and Mixed Microalgal Diets for Spat of the767.63 kB
Published VersionCC BY V4.0, Open Access
Journal article
Suitability of Monospecific and Mixed Microalgal Diets for Spat of the Silver‐Lip Pearl Oyster Pinctada maxima
Aquaculture, Fish and Fisheries, Vol.4(6), pp.1-8
2024
Appears in UniSC Supported Open Access Outputs
Abstract
Expansion of pearl production using the silver‐lip pearl oyster, Pinctada maxima , depends on increasing the availability of high‐quality spat from hatcheries and optimization of existing hatchery protocols. Research to develop feeding regimes yielding higher quality spat is seen as a priority. This study evaluated the suitability of three microalgae ( Rebecca salina , Chaetoceros simplex and Tisochrysis lutea ), fed singly and in combination, for spat of P. maxima and assessed whether mixed diets yielded spat of higher quality. A model‐fitting approach examined the response of spat fed microalgal diets for 35 days. Organic content of spat, as an indicator of quality, as well as metrics relating to spat size and weight were considered. On the basis of organic content, all microalgal diets tested were found suitable and there was no evidence that the mixed diets yielded higher quality spat compared to monospecific diets. Further, any gains in spat size attributed to the mixed microalgal diets were comparatively modest. Contrary to long‐held assumptions, our results indicate that monospecific microalgal diets are not necessarily inferior to mixed microalgal diets for on‐growing spat of P. maxima . They indicate potential to develop simpler and cheaper protocols for culture of P. maxima spat in land‐based systems.
Details
- Title
- Suitability of Monospecific and Mixed Microalgal Diets for Spat of the Silver‐Lip Pearl Oyster Pinctada maxima
- Authors
- Serena Sanders - SSP-AUThane A. Militz - University of the Sunshine Coast, Queensland, School of Science, Technology and EngineeringPaul C. Southgate (Corresponding Author) - University of the Sunshine Coast, Queensland, School of Science, Technology and Engineering
- Publication details
- Aquaculture, Fish and Fisheries, Vol.4(6), pp.1-8
- Publisher
- John Wiley & Sons, Inc.
- Date published
- 2024
- DOI
- 10.1002/aff2.70010
- ISSN
- 2693-8847
- Copyright note
- © 2024 The Author(s). Aquaculture, Fish and Fisheries published by John Wiley & Sons Ltd. This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.
- Data Availability
- All data included in this study are available upon request by contact with the corresponding author.
- Grant note
- James Cook University. Grant Number: PRG 001
- Organisation Unit
- Australian Centre for Pacific Islands Research; School of Science, Technology and Engineering
- Language
- English
- Record Identifier
- 991077498902621
- Output Type
- Journal article
Metrics
1 File views/ downloads
20 Record Views