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dc.contributor.authorMORAIS, A. P. M. de
dc.contributor.authorSANTOS, I. L.
dc.contributor.authorCARNEIRO, R. F. S.
dc.contributor.authorROUTLEDGE, E. A. B.
dc.contributor.authorHAYASHI, L.
dc.contributor.authorLORENZO, M. A. de
dc.contributor.authorVIEIRA, F. do N.
dc.date.accessioned2023-04-04T12:53:48Z-
dc.date.available2023-04-04T12:53:48Z-
dc.date.created2023-04-04
dc.date.issued2023
dc.identifier.citationAquaculture, v. 572, 739492, Mar. 2023.
dc.identifier.urihttp://www.alice.cnptia.embrapa.br/alice/handle/doc/1152964-
dc.descriptionIntegrated multitrophic aquaculture (IMTA) is a model that integrates organisms from different trophic levels, all sharing the same production system and, consequently, the nutrients. This study adopted shrimp (Penaeus vannamei) as the main species, tilapia (Oreochromis niloticus) as an organic consumer, and the seaweed (Ulva ohnoi) at different densities as an inorganic consumer in a biofloc production system. The study consisted of an experiment with three treatments and four replicates each: 1) No seaweed; 2) Seaweed 1 g L-1 (density of 1 g L-1 of U. ohnoi), and 3) Seaweed 2 g L-1 (density of 2 g L-1 of U. ohnoi). Shrimp (3.82 ± 0.05 g) were stocked in 800 L tanks at a density of 275 shrimp m-3 , fish (14.44 ± 0.57 g) in 90 L tanks at a density of 267 tilapia m-3 , and 50 and 100 g of seaweed stocked in 50 L tanks, corresponding to treatments with 1 and 2 g L-1 , respectively. The integration of U. ohnoi at densities of 1 g L-1 and 2 g L-1 with P. vannamei and O. niloticus benefited the system through higher nitrogen (13,22 and 13,10% higher in the treatments 1 g L-1 and 2 g L-1 respectively) and phosphorus recovery (25,57 and 34% respectively) and an increase in total productivity (15,32 and 19,22% respectively), generating an ecological gain. Considering the similar final biomass of seaweed in a multitrophic system with shrimp and tilapia, the use of U. ohnoi at a density of 2 g L-1 is recommended since nutrient recovery by fish and shrimp was higher at this density.
dc.language.isoeng
dc.rightsopenAccess
dc.titleIntegrated multitrophic aquaculture system applied to shrimp, tilapia, and seaweed (Ulva ohnoi) using biofloc technology.
dc.typeArtigo de periódico
dc.subject.nalthesaurusNitrogen
dc.subject.nalthesaurusPhosphorus
dc.subject.nalthesaurusBiomass
dc.subject.nalthesaurusBiofloc technology
dc.subject.nalthesaurusAquaculture systems
dc.subject.nalthesaurusShrimp
dc.subject.nalthesaurusTilapia (common name)
dc.subject.nalthesaurusSeaweed culture
dc.format.extent26 p.
riaa.ainfo.id1152964
riaa.ainfo.lastupdate2023-04-04
dc.identifier.doihttps://doi.org/10.1016/j.aquaculture.2023.739492
dc.contributor.institutionANA PAULA MARIANE DE MORAIS, UNIVERSIDADE FEDERAL DE SANTA CATARINA; IVANILSON LIMA SANTOS, UNIVERSIDADE FEDERAL DE SANTA CATARINA; RAMON FELIPE SIQUEIRA CARNEIRO, UNIVERSIDADE FEDERAL DE SANTA CATARINA; ERIC ARTHUR BASTOS ROUTLEDGE, GCPDI; LEILA HAYASHI, UNIVERSIDADE FEDERAL DE SANTA CATARINA; MARCO ANTÔNIO DE LORENZO, UNIVERSIDADE FEDERAL DE SANTA CATARINA; FELIPE DO NASCIMENTO VIEIRA, UNIVERSIDADE FEDERAL DE SANTA CATARINA.
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