Modeling of waste outputs in the aquatic environment from a commercial cage farm under neotropical climate conditions

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MetadadosDescriçãoIdioma
Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.contributorUniversidade de Brasília (UnB)-
Autor(es): dc.contributorFood & Agr Org United Nations FAO UN-
Autor(es): dc.contributorUniv Guelph-
Autor(es): dc.contributorEmpresa Brasileira de Pesquisa Agropecuária (EMBRAPA)-
Autor(es): dc.creatorBueno, Guilherme Wolff-
Autor(es): dc.creatorBernal, Francisco E. M.-
Autor(es): dc.creatorRoubach, Rodrigo-
Autor(es): dc.creatorSkipper-Horton, James Owen-
Autor(es): dc.creatorSampaio, Fernanda Garcia-
Autor(es): dc.creatorFialho, Naor S.-
Autor(es): dc.creatorBureau, Dominique P.-
Data de aceite: dc.date.accessioned2025-08-21T22:47:59Z-
Data de disponibilização: dc.date.available2025-08-21T22:47:59Z-
Data de envio: dc.date.issued2025-04-29-
Data de envio: dc.date.issued2023-05-25-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.3354/aei00457-
Fonte completa do material: dc.identifierhttps://hdl.handle.net/11449/302453-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/302453-
Descrição: dc.descriptionThe present study used a bioenergetics modeling approach to estimate the solid and dissolved waste outputs of a Nile tilapia Oreochromis niloticus net-cage farm. Historical production data for 30 cages were obtained from a commercial farm in the Chavantes Reservoir, Sao Paulo State, Brazil. In addition, an experiment was carried out in 4 net-cages at the farm to validate this dataset and collect fish samples. A total of 32400 tilapias with an initial weight averaging 35 +/- 2.73 g were equally distributed in the experimental net cages. After 210 d, the fish showed a final individual weight of similar to 789 +/- 5.12 g. Fish growth performance was monitored, and body composition was analyzed each month. Digestibility trials of commercial diets used for juvenile stages JVI and JVII and market weight were performed. Relationships of body weight with body content data of water, protein, fat, ash, gross energy, phosphorus, and nitrogen were evaluated by regression analysis. The total digestible energy requirement and estimated residues of the fish were assessed using the factorial bioenergetics model, adapted to the growing conditions of a neotropical reservoir. The model estimated similar to 320 kg of total solid waste released per tonne of tilapia, including similar to 10 kg of solid nitrogen and similar to 5 kg of solid phosphorus. Approximately 3 and 47 kg of dissolved phosphorus and nitrogen, respectively, were estimated per tonne of tilapia. The bioenergetics model is a valuable and equitable method for assessing and monitoring waste outputs. It can improve the nutritional and environmental efficiency of aquaculture activities, helping producers to reduce feed costs while strengthening the environmental sustainability of aquaculture.-
Descrição: dc.descriptionConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)-
Descrição: dc.descriptionInternational Science and Technology Partnerships Canada (ISTP Canada)-
Descrição: dc.descriptionCoordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)-
Descrição: dc.descriptionFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)-
Descrição: dc.descriptionBrazilian Development Bank-
Descrição: dc.descriptionEmbrapa-
Descrição: dc.descriptionUniversity of Guelph's Fish Nutrition Research Laboratory-
Descrição: dc.descriptionCristalina Fish Farm Ltda-
Descrição: dc.descriptionSecretariat of Aquaculture and Fisheries of the Ministry of Agriculture, Livestock, and Food Supply-
Descrição: dc.descriptionSao Paulo State Univ UNESP, Aquaculture Ctr CAUNESP, Campus Jaboticabal, BR-14884900 Jaboticabal, Brazil-
Descrição: dc.descriptionUniv Brasilia UnB, Fac Agron & Vet Med, Darcy Ribeiro Campus ICC Sul,Asa Norte, BR-70910900 Brasilia, DF, Brazil-
Descrição: dc.descriptionFood & Agr Org United Nations FAO UN, Dept Fisheries & Aquaculture, I-00153 Rome, Italy-
Descrição: dc.descriptionUniv Guelph, Dept Anim Biosci, Guelph, ON N1G 2W1, Canada-
Descrição: dc.descriptionBrazilian Agr Res Corp EMBRAPA, Embrapa Environm, Rod SP 340,Km 127,5, BR-1391811 Jaguariuna, SP, Brazil-
Descrição: dc.descriptionSao Paulo State Univ UNESP, Aquaculture Ctr CAUNESP, Campus Jaboticabal, BR-14884900 Jaboticabal, Brazil-
Descrição: dc.descriptionCAPES: 88887.500076/2020-00-
Descrição: dc.descriptionFAPESP: 2019/07948-6-
Descrição: dc.descriptionFAPESP: 2022/02756-4-
Formato: dc.format133-144-
Idioma: dc.languageen-
Publicador: dc.publisherInter-research-
Relação: dc.relationAquaculture Environment Interactions-
???dc.source???: dc.sourceWeb of Science-
Palavras-chave: dc.subjectAquaculture-
Palavras-chave: dc.subjectBioenergetics-
Palavras-chave: dc.subjectCarrying capacity-
Palavras-chave: dc.subjectCircular economy-
Palavras-chave: dc.subjectFish farm waste-
Palavras-chave: dc.subjectTilapia-
Título: dc.titleModeling of waste outputs in the aquatic environment from a commercial cage farm under neotropical climate conditions-
Tipo de arquivo: dc.typelivro digital-
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