Effect of Organic or Inorganic Fertilization on Microbial Flocs Production in Integrated Cultivation of Ulva lactuca with Oreochromis niloticus and Penaeus vannamei

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dc.authoridPoersch, Luis/0000-0002-1663-6252
dc.authoridBrandao, Hellyjunyor/0000-0002-7714-2168
dc.contributor.authorCarvalho, Andrezza
dc.contributor.authorBrandao, Hellyjunyor
dc.contributor.authorZemor, Julio C.
dc.contributor.authorCardozo, Alessandro Pereira
dc.contributor.authorVieira, Felipe N.
dc.contributor.authorOkamoto, Marcelo H.
dc.contributor.authorTuran, Gamze
dc.date.accessioned2024-08-31T07:49:49Z
dc.date.available2024-08-31T07:49:49Z
dc.date.issued2024
dc.departmentEge Üniversitesien_US
dc.description.abstractDifferent fertilization regimes in biofloc systems influence the predominance of distinct bacterial populations, impacting water quality and organism performance. This study evaluates the growth and nutrient absorption of the macroalgae Ulva lactuca when cultivated in an integrated system with Penaeus vannamei and Oreochromis niloticus in chemoautotrophic and heterotrophic systems. The experiment lasted 45 days and comprised two treatments, each with three replicates: chemoautotrophic-utilizing chemical fertilizers; heterotrophic-employing inoculum from mature biofloc shrimp cultivation, supplemented with organic fertilizers. Each treatment consisted of three systems, each containing a 4 m(3) tank for shrimp, 0.7 m(3) for tilapia, and 0.35 m(3) for macroalgae, with continuous water circulation between tanks and constant aeration. Water quality analyses were carried out during the experiment, as were the performances of the macroalgae and animals. The data were subjected to a statistical analysis. Results revealed an increase in macroalgae biomass and the removal of nitrate (57%) and phosphate (47%) during cultivation, with a higher specific growth rate observed in the chemoautotrophic treatment. Nonetheless, the heterotrophic treatment exhibited higher levels of protein in the macroalgae (18% dry matter) and phosphate removal rates (56%), along with superior maintenance of water quality parameters. Tilapia performance varied across treatments, with a higher final weight and weight gain recorded in the heterotrophic treatment. The recycling of water from an ongoing biofloc cultivation with organic fertilization demonstrated viability for macroalgae cultivation within an integrated system involving shrimp and fish.en_US
dc.description.sponsorshipASTRAL Project-H2020 [863034]en_US
dc.description.sponsorshipThis research was funded by the ASTRAL Project-H2020 grant agreement 863034.en_US
dc.identifier.doi10.3390/fishes9060191
dc.identifier.issn2410-3888
dc.identifier.issue6en_US
dc.identifier.scopus2-s2.0-85197120633en_US
dc.identifier.scopusqualityQ2en_US
dc.identifier.urihttps://doi.org/10.3390/fishes9060191
dc.identifier.urihttps://hdl.handle.net/11454/105009
dc.identifier.volume9en_US
dc.identifier.wosWOS:001257729200001en_US
dc.identifier.wosqualityN/Aen_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherMdpien_US
dc.relation.ispartofFishesen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.snmz20240831_Uen_US
dc.subjectNitrateen_US
dc.subjectPhosphateen_US
dc.subjectGrowthen_US
dc.subjectBiocompoundsen_US
dc.subjectWater Renewalen_US
dc.titleEffect of Organic or Inorganic Fertilization on Microbial Flocs Production in Integrated Cultivation of Ulva lactuca with Oreochromis niloticus and Penaeus vannameien_US
dc.typeArticleen_US

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