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Producing young, single and meaty oyster Crassostrea iredalei (Faustino, 1932) in grow‐out culture using pouches suspended from rafts

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Date
2021-06-11
Author
Lebata-Ramos, Ma. Junemie Hazel ORCID
Dionela, Cleresa S.
Novilla, Schedar Rose M.
Sibonga, Rema ORCID
Solis, Ellen Flor
Mediavilla, Jonas P.
Page views
199
Subject
oyster culture ASFA
spat ASFA
aquaculture ASFA
growth ASFA
oysters ASFA
survival ASFA
shells ASFA
body weight ASFA
length ASFA
Crassostrea iredalei AGROVOC
Culture method
Pouch
Single oyster
Tray
Taxonomic term
Crassostrea iredalei GBIF
Magallana bilineata GBIF
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Abstract
Growth and survival of the slipper oyster Crassostrea iredalei using traditional (tires and oyster shells) and new methods (pouches and trays) suspended from floating rafts were compared. After six months of grow-out culture, mean shell length (mm SL) and body weight (g BW) of oysters were significantly highest in those reared in pouches (89.32 ± 0.41 mm SL, 87.70 ± 0.70 g BW), followed by those in trays (83.16 ± 0.31 mm SL, 87.06 ± 0.72 g BW), then those harvested from oyster shells (76.42 ± 0.88 mm SL, 67.35 ± 1.03 g BW), and lastly from tires (72.30 ± 1.21 mm SL, 55.07 ± 1.49 g BW). Growth rates both for length and weight were almost comparable between oysters reared in pouches (6.05 ± 1.28 mm mo−1, 10.98 ± 2.05 g mo−1) and trays (5.01 ± 1.46 mm mo−1, 10.77 ± 2.58 g mo−1). Although 60.7% of the oysters harvested from pouches (n = 1071) were classified as large (85–100 mm SL) and jumbo (100–120 mm SL) and only 39.5% of those from trays (n = 1048), their meat yield did not significantly differ (pouches = 22.60 ± 0.86%; trays = 24.76 ± 0.93%). Survival in pouches (95.2 ± 0.77%) and trays (93.15 ± 2.10%) was almost parallel at harvest. Growing oysters using the new methods produced single, larger, meatier oysters of almost the same size at a shorter culture duration.
URI
http://hdl.handle.net/10862/6067
Suggested Citation
Lebata-Ramos, M. J. H., Dionela, C. S., Novilla, S. R. M., Sibonga, R., Solis, E. F., & Mediavilla, J. P. (2021). Producing young, single and meaty oyster Crassostrea iredalei (Faustino, 1932) in grow‐out culture using pouches suspended from rafts. Aquaculture Research, 52(11), 5270-5282. https://doi.org/10.1111/are.15395 
DOI
10.1111/are.15395
Type
Article
ISSN
1355-557X; 1365-2109
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  • Journal Articles [1160]

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