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Feed and molasses on shrimp growth and gene expression

dc.contributoren-US
dc.creatorLuna-González, Antonio
dc.creatorÁvila-Leal, José
dc.creatorFierro-Coronado, Jesús A.
dc.creatorÁlvarez-Ruiz, Píndaro
dc.creatorEsparza-Leal, Héctor
dc.creatorEscamilla-Montes, Ruth
dc.creatorFlores-Miranda, María del Carmen
dc.creatorMontiel-Montoya, Jorge
dc.creatorLópez-Álvarez, Ely S.
dc.date2018-03-15
dc.date.accessioned2020-11-05T13:36:10Z
dc.date.available2020-11-05T13:36:10Z
dc.identifierhttp://lajar.ucv.cl/index.php/rlajar/article/view/vol45-issue5-fulltext-4
dc.identifier10.3856/vol45-issue5-fulltext-4
dc.identifier.urihttps://revistaschilenas.uchile.cl/handle/2250/158975
dc.descriptionThe effects of reducing feeding rate and molasses on water quality, growth, and gene expression of Litopenaeus vannamei were evaluated in a super intensive system with zero water exchange. A bioassay of 35 days (0,75 ± 0,22 g, 36 shrimp tank-1, 450 shrimp m-3)  with treatments in triplicate was performed: I) 100% commercial feed (control group) with water exchange; II) 100% commercial feed without water exchange; III) 100% commercial feed + Bacillus licheniformis BCR 4-3 + molasses without water exchange; IV) 90% commercial feed + B. licheniformis BCR 4-3 + molasses without water exchange, and V) 80% commercial feed + B. licheniformis BCR 4-3 + molasses without water exchange. Shrimp survival, weight, nitrogenous wastes, settleable solids (SS), and the relative expression (RT-qPCR) of stress and digestive genes were determined. Shrimp survival was 100% in all treatments. The reduced diet, bioflocs, and bacilli did not affect shrimp growth. The culture conditions reduced nitrogenous wastes and modulated mRNA expression of trypsin, chymotrypsin, and heat shock protein 70. Reduced feed ration can help to maintain water quality and lower costs in intensive shrimp cultures with bioflocs.en-US
dc.formatapplication/pdf
dc.languageeng
dc.publisherPontificia Universidad Católica de Valparaísoen-US
dc.relationhttp://lajar.ucv.cl/index.php/rlajar/article/view/vol45-issue5-fulltext-4/866
dc.relationhttp://lajar.ucv.cl/index.php/rlajar/article/downloadSuppFile/vol45-issue5-fulltext-4/913
dc.relationhttp://lajar.ucv.cl/index.php/rlajar/article/downloadSuppFile/vol45-issue5-fulltext-4/914
dc.sourceLatin American Journal of Aquatic Research; Vol 45, No 5 (2017); 900-907en-US
dc.sourcePlataforma para envío de artículos - Latin American Journal of Aquatic Research; Vol 45, No 5 (2017); 900-907es-ES
dc.source0718-560X
dc.source0718-560X
dc.subjectBacillus licheniformis; Litopenaeus vannamei; bioflocs; gene expression; molasses; water qualityen-US
dc.titleFeed and molasses on shrimp growth and gene expressionen-US
dc.typeinfo:eu-repo/semantics/article
dc.typeinfo:eu-repo/semantics/publishedVersion
dc.typeen-US
dc.typees-ES


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