Growth of blacklip pearl oyster ( Pinctada margaritifera) juveniles using different nursery culture techniques

This study was based on blacklip pearl oyster ( Pinctada margaritifera) juveniles, that were hatchery-reared and 8 months old. They were held for 5 months in suspended culture using five culture techniques: in 24-pocket juvenile panel nets (PN24); enclosed within 5-mm plastic mesh ‘inserts’ placed i...

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Bibliographic Details
Published in:Aquaculture 2000-07, Vol.187 (1), p.97-104
Main Authors: Southgate, Paul C., Beer, Andrew C.
Format: Article
Language:English
Subjects:
Animal aquaculture
Animal productions
Aquaculture
Biological and medical sciences
Fundamental and applied biological sciences. Psychology
Growth
Invertebrate aquaculture
Juvenile
Marine
Mollusca
Nursery culture
Oysters
Pearl oyster
Physical growth
Pinctada margaritifera
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Summary:This study was based on blacklip pearl oyster ( Pinctada margaritifera) juveniles, that were hatchery-reared and 8 months old. They were held for 5 months in suspended culture using five culture techniques: in 24-pocket juvenile panel nets (PN24); enclosed within 5-mm plastic mesh ‘inserts’ placed in the pockets of eight-pocket adult panel nets (PN8); in 5-mm plastic mesh inserts without being placed into panel nets (INSERT); in plastic mesh trays (55×30×10 cm) with lids (TRAY); and by ‘ear’ hanging (EAR). Survival was high during the experiment and ranged from 100% in PN24 and PN8 to 90.6% for the INSERT treatment. Juveniles held in 24-pocket nets (PN24) and ear-hung juveniles showed the greatest growth during the experiment, and had significantly greater dorso-ventral height (DVH) and wet weight (WW) than oysters in all other treatments ( P EAR>TRAY>PN8>INSERT.
ISSN:0044-8486
1873-5622
DOI:10.1016/S0044-8486(99)00392-0