Please use this identifier to cite or link to this item: http://hdl.handle.net/1893/7391
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dc.contributor.authorBarman, Benoy Ken_UK
dc.contributor.authorLittle, David Cen_UK
dc.date.accessioned2017-09-07T22:45:28Z-
dc.date.available2017-09-07T22:45:28Z-
dc.date.issued2011-07-04en_UK
dc.identifier.urihttp://hdl.handle.net/1893/7391-
dc.description.abstractSeed production of Nile tilapia (Oreochromis niloticus L.) in nylon mesh net cages (hapas) was tested through a participatory on-farm trial with households in NW Bangladesh. A total of 43 households with small ponds (0.04–0.08 ha) located close to the homesteads were sampled from poor to medium social groups in three communities: Tarala Banara (TB), Dewnaghata (DW) and Dola Para (DP). Broodfish of GIFT strain Nile tilapia (12 female and 6 male; 60 g size) were stocked in a single spawning hapa (3 × 2 × 1 m). Swim-up fry were collected from breeding hapas at 15 day intervals and stocked alternately in two nursing hapas (1.5 × 1 × 1 m). With the exception of 15 households at DP in which flooding caused loss of fish, most of the households in TB and DW produced tilapia fry from hapas for 4–5 months in addition to the usual production of foodfish/fingerlings in their ponds. Mean swim-up fry production in TB and DW was 5185 ± 3764 and 3415 ± 1536 fry household− 1, leading to nursed fry production of 2708 ± 1967 and 1380 ± 734 fry household− 1 respectively. Nursed fry were sold (70%) or re-stocked (30%) for foodfish production in the participants' own ponds. Only households with perennial ponds that were able to hold and rear tilapia broodfish (25% of total households at TB and DW) successfully produced seed in Year 2, but such households started earlier in the season (March) and achieved significantly higher productivity than the previous year. Hapa productivity was impacted by local soil type, presence of shade, depth of mud and level of drainage inputs; more fry were produced in ponds based on sandy and sandy-loam soils with less overhanging vegetation and shade, lower levels of turbidity and benthic mud, and no drainage connections with tube wells or surface run-off. Poorer households were more successful overall and tended to prioritise sale of fry over retention for foodfish culture Households engaged in ancillary fry trading and/or nursery businesses also tended to be relatively successful. Between 8 and 20 customers were supplied by each hapa operator, indicating the broader impacts of local seed production on grow-out for foodfish production.en_UK
dc.language.isoenen_UK
dc.publisherElsevieren_UK
dc.relationBarman BK & Little DC (2011) Use of hapas to produce Nile tilapia (Oreochromis niloticus L.) seed in household foodfish ponds: A participatory trial with small-scale farming households in Northwest Bangladesh. Aquaculture, 317 (1-4), pp. 214-222. https://doi.org/10.1016/j.aquaculture.2011.04.005en_UK
dc.rightsThe publisher does not allow this work to be made publicly available in this Repository. Please use the Request a Copy feature at the foot of the Repository record to request a copy directly from the author. You can only request a copy if you wish to use this work for your own research or private study.en_UK
dc.rights.urihttp://www.rioxx.net/licenses/under-embargo-all-rights-reserveden_UK
dc.subjectHapaen_UK
dc.subjectNile tilapiaen_UK
dc.subjectFarmer's participatory on-farm trialen_UK
dc.subjectNorthwest Bangladeshen_UK
dc.titleUse of hapas to produce Nile tilapia (Oreochromis niloticus L.) seed in household foodfish ponds: A participatory trial with small-scale farming households in Northwest Bangladeshen_UK
dc.typeJournal Articleen_UK
dc.rights.embargodate2999-12-05en_UK
dc.rights.embargoreason[dlittle_hapastoproduceNileTilapia_2011.pdf] The publisher does not allow this work to be made publicly available in this Repository therefore there is an embargo on the full text of the work.en_UK
dc.identifier.doi10.1016/j.aquaculture.2011.04.005en_UK
dc.citation.jtitleAquacultureen_UK
dc.citation.issn0044-8486en_UK
dc.citation.volume317en_UK
dc.citation.issue1-4en_UK
dc.citation.spage214en_UK
dc.citation.epage222en_UK
dc.citation.publicationstatusPublisheden_UK
dc.citation.peerreviewedRefereeden_UK
dc.type.statusVoR - Version of Recorden_UK
dc.author.emaild.c.little@stir.ac.uken_UK
dc.contributor.affiliationWorldFishen_UK
dc.contributor.affiliationInstitute of Aquacultureen_UK
dc.identifier.isiWOS:000291908000032en_UK
dc.identifier.scopusid2-s2.0-79956044847en_UK
dc.identifier.wtid788063en_UK
dc.contributor.orcid0000-0002-6095-3191en_UK
dcterms.dateAccepted2011-07-04en_UK
dc.date.filedepositdate2012-08-09en_UK
rioxxterms.typeJournal Article/Reviewen_UK
rioxxterms.versionVoRen_UK
local.rioxx.authorBarman, Benoy K|en_UK
local.rioxx.authorLittle, David C|0000-0002-6095-3191en_UK
local.rioxx.projectInternal Project|University of Stirling|https://isni.org/isni/0000000122484331en_UK
local.rioxx.freetoreaddate2999-12-05en_UK
local.rioxx.licencehttp://www.rioxx.net/licenses/under-embargo-all-rights-reserved||en_UK
local.rioxx.filenamedlittle_hapastoproduceNileTilapia_2011.pdfen_UK
local.rioxx.filecount1en_UK
local.rioxx.source0044-8486en_UK
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