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dc.contributor.authorFermin, Armando C.
dc.contributor.authorReyes, Deogracias M., Jr.
dc.date.accessioned2012-11-09T03:23:49Z
dc.date.available2012-11-09T03:23:49Z
dc.date.issued1989
dc.identifier.citationFermin, A. C., & Reyes, D. M., Jr. (1989). HCG and LHRH-A induced spawning in bighead carp Aristichthys nobilis Rich. reared in floating cages in Laguna de Bay. The Philippine Scientist, 26, 21–28.en
dc.identifier.issn0079-1466
dc.identifier.urihttp://hdl.handle.net/10862/1236
dc.description.abstractHormone-induction of spawning in bighead carp Aristichthys nobilis Rich. by single or double intraperitoneal injection with varying combined dosages of HCG and LHRH-A was conducted. Fish were spawned successfully following a single or double injection with 1800 to 2000 IU HCG in combination with 10, 15 or 20 µg HRLR-A per kg body weight. Fish injected with lower dosages of HGC at 1200 or 1500 IU/kg body weight plus 20 µg/kg LHRH-A did not differ significantly (P>0.05). Fish given a single injection ovulated after 12.0 ± 0.1 hours. No significant difference was found in the total number of eggs spawned per fish among the injection protocols (P>0.05). However, lower fertilization and hatching rates of eggs were observed in fish that spawned spontaneously in the tank as compared to those fish whose eggs were stripped and dry-fertilized (P<0.05).en
dc.language.isoenen
dc.publisherSan Carlos Publications, University of San Carlosen
dc.subjectPhilippinesen
dc.subjectBighead carpen
dc.subjectcarpen
dc.titleHCG and LHRH-A induced spawning in bighead carp Aristichthys nobilis Rich. reared in floating cages in Laguna de Bayen
dc.typeArticleen
dc.citation.volume26
dc.citation.spage21
dc.citation.epage28
dc.citation.journalTitleThe Philippine Scientisten
dc.subject.asfacage cultureen
dc.subject.asfainduced ovulationen
dc.subject.asfarearing techniquesen
dc.subject.scientificNameHypophthalmichthys nobilisen


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