Gonadal Recrudescence and Induced Spawning in Barbus Altianalis

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dc.contributor.authorRutaisire, Justus
dc.contributor.authorLevavi-Sivan, Berta
dc.contributor.authorAruho, Cassius
dc.contributor.authorOndhoro, Constantine Chobet
dc.date.accessioned2023-02-17T20:18:12Z
dc.date.available2023-02-17T20:18:12Z
dc.date.issued2015
dc.description.abstractGonadal recrudescence in Barbus altianalis from River Nile, Jinja (33°05E; 0°45N) Uganda was studied prior to induced spawning. Oocytes in B. altianalis were found to develop in cohorts suggesting batch spawning throughout the year with pronounced spawning activities coinciding with rainfall peaks of April and September. There was a strong positive correlation between rainfall and gonadosomatic index (rS = 0.75, P = 0.008). B. altianalis had low fecundity (6.0 ± 2.0 per gram) and large-sized eggs (2.97 ± 0.1 mm). Induced spawning was successful with exogenous hormones and water current. Results from this study suggested that total striping may not be appropriate, but larger eggs would confer high survival of offsprings under optimal conditions. The success registered in induced spawning of B. altianalis provides a breakthrough in seed production for multiplication and culture of this economically important fish species.en_US
dc.identifier.citationRutaisire, J., Levavi‐Sivan, B., Aruho, C., & Ondhoro, C. C. (2015). Gonadal recrudescence and induced spawning in B arbus altianalis. Aquaculture Research, 46(3), 669-678.https://doi.org/10.1111/are.12213en_US
dc.identifier.urihttps://nru.uncst.go.ug/handle/123456789/7879
dc.language.isoenen_US
dc.publisherAquaculture Researchen_US
dc.subjectGonadal recrudescenceen_US
dc.subjectspawningen_US
dc.subjectBarbus altianalisen_US
dc.titleGonadal Recrudescence and Induced Spawning in Barbus Altianalisen_US
dc.typeArticleen_US
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