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Settlement, growth and survival of donkey's ear abalone Haliotis asinina (Linne) in response to diatom diets and attachment substrate

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philjournalsci.dost.gov.ph
Date
2010
Author
de la Peña, Milagros R.
Bautista, Joseph I.
Buen-Ursua, Shelah Mae
Bayona, Nestor
Titular, Virgie Sol T.
Page views
2,372
ASFA keyword
diet ASFA
feeding ASFA
cultured organisms ASFA
juveniles ASFA
larvae ASFA
mollusc culture ASFA
survival ASFA
Bacillariophyceae ASFA
seed production ASFA
hatcheries ASFA
comparative analysis ASFA
growth ASFA
substrate preferences ASFA
larval settlement ASFA
feeding experiments ASFA
biofilms ASFA
AGROVOC keyword
Haliotis asinina AGROVOC
Taxonomic term
Amphora GBIF
Navicula ramosissima GBIF
Metadata
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Abstract
The effect of feeding four diatom diets (Amphora sp., Navicula ramosissima, Amphora sp. + N. ramosissima, and mixed diatoms) and two attachment substrates (PP+CCA: polyvinyl plates with crustose coralline algae; PP-CCA: polyvinyl plates without crustose coralline algae) were determined for seed production of abalone, Haliois asinina. On day 5, significantly higher number of larvae settled on PP+CCA fed with mixed diatoms followed by Amphora sp., N. ramosissima, Amphora sp. + N. ramosissima, and abalone larvae reared on PP-CCA fied with N. ramosissima only. Fewer larvae settled on PP-CCA fed with Amphora + N. ramosissima, Amphora sp. and mixed diatoms. The size of abalone juveniles from PP-CCA was significantly bigger compared with juveniles measured from PP+CCA. However, the number of juveniles harvested from tanks provided with PP+CCA was higher compared with tanks with PP-CCA. This study has shown that crustose coralline algae favored the settlement of H. asinina larvae and inoculation of diatom slurry is necessary to provide sufficient food for the growing larvae.
URI
http://hdl.handle.net/10862/2101
Suggested Citation
de la Peña, M. R., Bautista, J. I., Buen-Ursua, S. M., Bayona, N., & Titular, V. S. T. (2010). Settlement, growth and survival of donkey's ear abalone Haliotis asinina (Linne) in response to diatom diets and attachment substrate. Philippine Journal of Science, 139(1), 27-33. http://hdl.handle.net/10862/2101
Type
Article
ISSN
0031-7683
Collections
  • Journal Articles [1183]


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