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dc.contributor.authorEncena, V. C., II
dc.contributor.authorCapinpin, Emmanuel C., Jr.
dc.contributor.authorBayona, N.C.
dc.date.accessioned2013-11-16T03:38:43Z
dc.date.available2013-11-16T03:38:43Z
dc.date.issued1998
dc.identifier.citationEncena II, V. C., Capinpin Jr., E. C., & Bayona, N. C. (1998). Optimal sperm concentration and time for fertilization of the tropical abalone, Haliotis asinina Linné 1758. Aquaculture, 165(3-4), 347-352.en
dc.identifier.issn0044-8486
dc.identifier.urihttp://hdl.handle.net/10862/1739
dc.description.abstractCurrent interest in the tropical abalone, Haliotis asinina has generated research into seed production and culture techniques. However, there has been no report regarding the optimal sperm concentration for fertilization and development, and gamete viability for this species. Spawned eggs of H. asinina were artificially fertilized using eleven final sperm concentrations ranging from 1×102 to 1×107 sperm ml−1. In another experiment, eggs were fertilized using sperm spawned at the same time at a final sperm concentration of 1×105 sperm ml−1 at 1, 2, 3, 4, and 5 h after spawning. Sperm concentrations of 5×103 to 1×105 sperm ml−1 gave both maximal fertilization rate and normal trochophore development. The sperm to oocyte ratio of this range is 1×103 to 2×104. Gametes were still viable 2 h after spawning; both fertilization and normal development rates decreased when fertilized later. It is recommended to use 1×105 sperm ml−1 for artificial fertilization of H. asinina eggs within 2 h after spawning.en
dc.language.isoenen
dc.publisherElsevieren
dc.subjectHaliotis asininaen
dc.subjectPhilippinesen
dc.subjectTropical abaloneen
dc.subjectSperm concentrationen
dc.subjectArtificial fertilizationen
dc.subjectGamete viabilityen
dc.titleOptimal sperm concentration and time for fertilization of the tropical abalone, Haliotis asinina Linné 1758en
dc.typeArticleen
dc.citation.volume165
dc.citation.issue3-4
dc.citation.spage347
dc.citation.epage352
dc.citation.journalTitleAquacultureen
dc.subject.asfaaquaculture techniquesen
dc.subject.asfafertilizationen
dc.subject.asfainduced ovulationen
dc.subject.asfamollusc cultureen
dc.subject.asfaspawningen
dc.subject.asfaspermen
dc.subject.asfagametesen
dc.identifier.doi10.1016/S0044-8486(98)00250-6


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