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dc.contributor.authorFermin, Armando C.
dc.contributor.authorBuen Shela Mae A.
dc.contributor.editorNateewathana, A.
dc.contributor.editorHylleberg, J.en
dc.date.accessioned2011-06-22T09:35:56Z
dc.date.available2011-06-22T09:35:56Z
dc.date.issued2001
dc.identifier.urihttp://hdl.handle.net/10862/462
dc.description.abstractJuveniles of Haliotis asinina, 10 mm shell length were subjected to four photoperiodic regimes namely, 6L:18D, OL:24D, diffused 12:12D, and ambient light (12L:12D) serving as control. Juveniles were fed fresh seaweed, Gracilariopsis bailinae, in excess amounts throughout the experiment. At the end of a 105-day experiment, juveniles held under ambient photoperiod were significantly bigger and had higher average daily growth rate than the rest of the treatments. Feed conversion efficiency was higher at ambient light than at other photoperiodic regimes. Daily feeding rates at 65-day culture period were similar for all treatments; however towards the end of culture period, feeding rate of abalone at ambient light was lowest compared to the rest of the treatments. Percent survival was significantly higher in animals at ambient light and at 6L: 18D with 99% and 97% respectively, than at other photoperiodic regimes.en
dc.language.isoenen
dc.publisherPhuket Marine Biological Centeren
dc.relation.ispartofIn: Hylleberg, J., Nateewathana, A. (eds.). Proceedings of the 11th International Congress & Workshop of the Tropical Marine Mollusc Programme (TMMP), 28 September - 8 October 2000, Kodaikanal, Rameswaram and Tuticorin, Tamilnadu, India. Phuket, Thailand: Phuket Marine Biological Center. Phuket Marine Biological Center Special Publication 25(1). pp. 113-117en
dc.subjectFood conversionen
dc.subjectPhilippinesen
dc.subjectabalonesen
dc.subjectHaliotis asininaen
dc.subject.lccVF SP 266
dc.titlePhotoperiod effects on feeding, food conversion, growth, and survival of abalone (Haliotis asinina Linne) during nursery rearingen
dc.typeConference paperen
dc.citation.spage113
dc.citation.epage117
dc.citation.conferenceTitleProceedings of the 11th International Congress & Workshop of the Tropical Marine Mollusc Programme (TMMP), 28 September - 8 October 2000, Kodaikanal, Rameswaram and Tuticorin, Tamilnadu, Indiaen
dc.subject.asfaaquatic molluscsen
dc.subject.asfaabalone cultureen
dc.subject.asfalight effectsen
dc.subject.asfafeedingen
dc.subject.asfarearing techniquesen
dc.subject.asfajuvenilesen


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