Diferentes fontes de carbono no cultivo intensivo da tilápia do nilo Oreochromis niloticus (Linnaeus, 1758) em sistema de bioflocos
Autor(a) principal: | |
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Data de Publicação: | 2016 |
Tipo de documento: | Dissertação |
Idioma: | por |
Título da fonte: | Biblioteca Digital de Teses e Dissertações da UFRPE |
Texto Completo: | http://www.tede2.ufrpe.br:8080/tede2/handle/tede2/7084 |
Resumo: | Biofloc technology has brought advances in traditional aquaculture, mainly in shrimp and tilapia. The main advantages are low water use, recycling of nitrogen compounds and production of supplementary food rich in protein. Various carbon sources are employed in the biofloc culture, as sugars, starches, alcohols and fibers. So the aim of this study was to evaluate the effects of organic carbon sources on water quality, growth performance and acceptance of Nile tilapia fillets (Oreochromis niloticus) cultured in biofloc systems. Were adopted three treatments involving the sources of carbon, as sugar (AÇU), liquid molasses (MEL) and powder molasses (MEP), with five replicates each and a control treatment (CTL) without biofloc, with four replications. Fish (72.6 g) were stocked in 19 circular tanks (800L) at a density of 35 fish/m3 and grown by 145 days. They evaluated the water quality variables, growth performance and acceptability of tilapia fillets. The dissolved oxygen concentration was significantly higher (P≤0.05) in the tanks without bioflocs (CTL) in the absence of bacterial biomass. Total ammonia nitrogen (NAT) showed statistical significance (P≤0.05) between the AÇU treatment and the other with bioflocs, displaying the lowest concentration of 2.53 mg NAT/L. Already nitrite, showed no statistical difference (P>0.05) among treatments with mean values ranging from 0.74 to 2.3 mg of N-NO2/L. The final weight ranged from 339 to 409 g, with feed conversion ratio between 1.61 and 1.89, survival 80-99% and showed no statistical difference between treatments (P>0.05). Productivity ranged from 9.72 (AÇU) to 14.22 Kg/m3 (CTL) (P≤0.05). The tanks without bioflocs (CTL) consumed 9 m3 of water to produce 1 kg of fish, while the bioflocs used only 0.68 m3, which represents a 13 times lower consumption. The percentage of protein in fillets of tilapia and analyzed bioflocs ranged respectively 17-20% and 31-33%.Tilapia fillets coming from biofloc with sugar showed to have the preference of the evaluators, with note 7.77 (like moderately to like very much). With these results, it is concluded that the carbon sources (molasses and sugar) can be used in the tilapia culture with biofloc without damage to water culture and productivity. Moreover, one should consider the ease of obtaining sugar. |
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CORREIA, Eudes de SouzaCAVALLI, Ronaldo OliveraSANTOS, Athiê Jorge GuerraGÁLVEZ, Alfredo OliveraSILVA, Luís Otávio Brito dahttp://lattes.cnpq.br/6992040657633026LIMA, Eduardo Cesar Rodrigues de2017-10-23T12:50:42Z2016-02-23LIMA, Eduardo Cesar Rodrigues de. Diferentes fontes de carbono no cultivo intensivo da tilápia do nilo Oreochromis niloticus (Linnaeus, 1758) em sistema de bioflocos. 2016. 58 f. Dissertação (Programa de Pós-Graduação em Recursos Pesqueiros e Aquicultura) - Universidade Federal Rural de Pernambuco, Recife.http://www.tede2.ufrpe.br:8080/tede2/handle/tede2/7084Biofloc technology has brought advances in traditional aquaculture, mainly in shrimp and tilapia. The main advantages are low water use, recycling of nitrogen compounds and production of supplementary food rich in protein. Various carbon sources are employed in the biofloc culture, as sugars, starches, alcohols and fibers. So the aim of this study was to evaluate the effects of organic carbon sources on water quality, growth performance and acceptance of Nile tilapia fillets (Oreochromis niloticus) cultured in biofloc systems. Were adopted three treatments involving the sources of carbon, as sugar (AÇU), liquid molasses (MEL) and powder molasses (MEP), with five replicates each and a control treatment (CTL) without biofloc, with four replications. Fish (72.6 g) were stocked in 19 circular tanks (800L) at a density of 35 fish/m3 and grown by 145 days. They evaluated the water quality variables, growth performance and acceptability of tilapia fillets. The dissolved oxygen concentration was significantly higher (P≤0.05) in the tanks without bioflocs (CTL) in the absence of bacterial biomass. Total ammonia nitrogen (NAT) showed statistical significance (P≤0.05) between the AÇU treatment and the other with bioflocs, displaying the lowest concentration of 2.53 mg NAT/L. Already nitrite, showed no statistical difference (P>0.05) among treatments with mean values ranging from 0.74 to 2.3 mg of N-NO2/L. The final weight ranged from 339 to 409 g, with feed conversion ratio between 1.61 and 1.89, survival 80-99% and showed no statistical difference between treatments (P>0.05). Productivity ranged from 9.72 (AÇU) to 14.22 Kg/m3 (CTL) (P≤0.05). The tanks without bioflocs (CTL) consumed 9 m3 of water to produce 1 kg of fish, while the bioflocs used only 0.68 m3, which represents a 13 times lower consumption. The percentage of protein in fillets of tilapia and analyzed bioflocs ranged respectively 17-20% and 31-33%.Tilapia fillets coming from biofloc with sugar showed to have the preference of the evaluators, with note 7.77 (like moderately to like very much). With these results, it is concluded that the carbon sources (molasses and sugar) can be used in the tilapia culture with biofloc without damage to water culture and productivity. Moreover, one should consider the ease of obtaining sugar.A tecnologia de bioflocos tem apresentado avanços na aquicultura tradicional, principalmente, em camarões e tilápias. As principais vantagens são pouca utilização de água, reciclagem dos compostos nitrogenados e produção de alimento suplementar rico em proteína. Diversas fontes de carbono são empregadas no cultivo em bioflocos, açúcares, amidos, álcoois e fibras, assim, o objetivo deste trabalho foi avaliar os efeitos das fontes de carbono orgânico na qualidade da água, desempenho de crescimento e aceitação de filés da tilápia do Nilo (Oreochromis niloticus) cultivada em sistema de bioflocos. Foram adotados três tratamentos envolvendo as fontes de carbono açúcar (AÇU), melaço líquido (MEL) e melaço em pó (MEP), com cinco repetições cada e um tratamento controle (CTL) sem bioflocos, com quatro repetições. Os peixes (72,6 g) foram estocados em 19 tanques circulares (800L) numa densidade de 35 peixes/m3 e cultivados por 145 dias. Foram avaliadas as variáveis de qualidade da água, desempenho de crescimento e aceitabilidade dos filés de tilápia. A concentração de oxigênio dissolvido foi significativamente maior (P≤0,05) nos tanques sem bioflocos (CTL) devido à ausência de biomassa bacteriana. O nitrogênio da amônia total (NAT) apresentou diferença estatística (P≤0,05) entre o tratamento AÇU e os demais com bioflocos, exibindo a menor concentração de 2,53 mg NAT/L. Já o nitrito, não apresentou diferença estatística (P>0,05) entre os tratamentos com valores médios variando de 0,74 a 2,3 mg de N-NO2/L. O peso final variou de 339 a 409 g, com fator de conversão alimentar entre 1,61 e 1,89, sobrevivência de 80 a 99% e não apresentou diferença estatística entre os tratamentos (P>0,05). A produtividade variou de 9,72 (AÇU) a 14,22 Kg/m3 (CTL) (P≤0,05). Os tanques sem bioflocos (CTL) consumiram 9 m3 de água para produzir 1 Kg de peixe, enquanto os de bioflocos utilizaram apenas 0,68 m3, o que representa um consumo 13 vezes menor. A porcentagem de proteína nos filés de tilápia e nos bioflocos analisados variaram, respectivamente, de 17 a 20% e 31 a 33%. Os filés de tilápia oriundos do biofloco com açúcar mostraram ter a preferência dos avaliadores, com nota 7,77 (gostei moderadamente a gostei muito). Com estes resultados, conclui-se que as fontes de carbono utilizadas (melaços e açúcar) podem ser utilizadas no cultivo da tilápia O. niloticus em bioflocos sem prejuízos à água de cultivo e à produtividade. Além disso, deve-se considerar a facilidade na obtenção do açúcar.Submitted by Mario BC (mario@bc.ufrpe.br) on 2017-10-23T12:50:42Z No. of bitstreams: 1 Eduardo Cesar Rodrigues de Lima.pdf: 493122 bytes, checksum: eef0aacc9225107f4ed820dd3b64829c (MD5)Made available in DSpace on 2017-10-23T12:50:42Z (GMT). No. of bitstreams: 1 Eduardo Cesar Rodrigues de Lima.pdf: 493122 bytes, checksum: eef0aacc9225107f4ed820dd3b64829c (MD5) Previous issue date: 2016-02-23Conselho Nacional de Pesquisa e Desenvolvimento Científico e Tecnológico - CNPqapplication/pdfporUniversidade Federal Rural de PernambucoPrograma de Pós-Graduação em Recursos Pesqueiros e AquiculturaUFRPEBrasilDepartamento de Pesca e AquiculturaTilápia do niloOreochromis niloticusFonte de carbonoSistema de bioflocoCIENCIAS AGRARIAS::RECURSOS PESQUEIROS E ENGENHARIA DE PESCADiferentes fontes de carbono no cultivo intensivo da tilápia do nilo Oreochromis niloticus (Linnaeus, 1758) em sistema de bioflocosinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/masterThesis80217415640343225476006006006007231936942857037408-6131750198709519811-2555911436985713659info:eu-repo/semantics/openAccessreponame:Biblioteca Digital de Teses e Dissertações da UFRPEinstname:Universidade Federal Rural de Pernambuco (UFRPE)instacron:UFRPELICENSElicense.txtlicense.txttext/plain; charset=utf-82165http://www.tede2.ufrpe.br:8080/tede2/bitstream/tede2/7084/1/license.txtbd3efa91386c1718a7f26a329fdcb468MD51ORIGINALEduardo Cesar Rodrigues de Lima.pdfEduardo Cesar Rodrigues de Lima.pdfapplication/pdf493122http://www.tede2.ufrpe.br:8080/tede2/bitstream/tede2/7084/2/Eduardo+Cesar+Rodrigues+de+Lima.pdfeef0aacc9225107f4ed820dd3b64829cMD52tede2/70842018-07-20 11:21:49.378oai:tede2:tede2/7084Tk9UQTogQ09MT1FVRSBBUVVJIEEgU1VBIFBSw5NQUklBIExJQ0VOw4dBCkVzdGEgbGljZW7Dp2EgZGUgZXhlbXBsbyDDqSBmb3JuZWNpZGEgYXBlbmFzIHBhcmEgZmlucyBpbmZvcm1hdGl2b3MuCgpMSUNFTsOHQSBERSBESVNUUklCVUnDh8ODTyBOw4NPLUVYQ0xVU0lWQQoKQ29tIGEgYXByZXNlbnRhw6fDo28gZGVzdGEgbGljZW7Dp2EsIHZvY8OqIChvIGF1dG9yIChlcykgb3UgbyB0aXR1bGFyIGRvcyBkaXJlaXRvcyBkZSBhdXRvcikgY29uY2VkZSDDoCBVbml2ZXJzaWRhZGUgClhYWCAoU2lnbGEgZGEgVW5pdmVyc2lkYWRlKSBvIGRpcmVpdG8gbsOjby1leGNsdXNpdm8gZGUgcmVwcm9kdXppciwgIHRyYWR1emlyIChjb25mb3JtZSBkZWZpbmlkbyBhYmFpeG8pLCBlL291IApkaXN0cmlidWlyIGEgc3VhIHRlc2Ugb3UgZGlzc2VydGHDp8OjbyAoaW5jbHVpbmRvIG8gcmVzdW1vKSBwb3IgdG9kbyBvIG11bmRvIG5vIGZvcm1hdG8gaW1wcmVzc28gZSBlbGV0csO0bmljbyBlIAplbSBxdWFscXVlciBtZWlvLCBpbmNsdWluZG8gb3MgZm9ybWF0b3Mgw6F1ZGlvIG91IHbDrWRlby4KClZvY8OqIGNvbmNvcmRhIHF1ZSBhIFNpZ2xhIGRlIFVuaXZlcnNpZGFkZSBwb2RlLCBzZW0gYWx0ZXJhciBvIGNvbnRlw7pkbywgdHJhbnNwb3IgYSBzdWEgdGVzZSBvdSBkaXNzZXJ0YcOnw6NvIApwYXJhIHF1YWxxdWVyIG1laW8gb3UgZm9ybWF0byBwYXJhIGZpbnMgZGUgcHJlc2VydmHDp8Ojby4KClZvY8OqIHRhbWLDqW0gY29uY29yZGEgcXVlIGEgU2lnbGEgZGUgVW5pdmVyc2lkYWRlIHBvZGUgbWFudGVyIG1haXMgZGUgdW1hIGPDs3BpYSBhIHN1YSB0ZXNlIG91IApkaXNzZXJ0YcOnw6NvIHBhcmEgZmlucyBkZSBzZWd1cmFuw6dhLCBiYWNrLXVwIGUgcHJlc2VydmHDp8Ojby4KClZvY8OqIGRlY2xhcmEgcXVlIGEgc3VhIHRlc2Ugb3UgZGlzc2VydGHDp8OjbyDDqSBvcmlnaW5hbCBlIHF1ZSB2b2PDqiB0ZW0gbyBwb2RlciBkZSBjb25jZWRlciBvcyBkaXJlaXRvcyBjb250aWRvcyAKbmVzdGEgbGljZW7Dp2EuIFZvY8OqIHRhbWLDqW0gZGVjbGFyYSBxdWUgbyBkZXDDs3NpdG8gZGEgc3VhIHRlc2Ugb3UgZGlzc2VydGHDp8OjbyBuw6NvLCBxdWUgc2VqYSBkZSBzZXUgCmNvbmhlY2ltZW50bywgaW5mcmluZ2UgZGlyZWl0b3MgYXV0b3JhaXMgZGUgbmluZ3XDqW0uCgpDYXNvIGEgc3VhIHRlc2Ugb3UgZGlzc2VydGHDp8OjbyBjb250ZW5oYSBtYXRlcmlhbCBxdWUgdm9jw6ogbsOjbyBwb3NzdWkgYSB0aXR1bGFyaWRhZGUgZG9zIGRpcmVpdG9zIGF1dG9yYWlzLCB2b2PDqiAKZGVjbGFyYSBxdWUgb2J0ZXZlIGEgcGVybWlzc8OjbyBpcnJlc3RyaXRhIGRvIGRldGVudG9yIGRvcyBkaXJlaXRvcyBhdXRvcmFpcyBwYXJhIGNvbmNlZGVyIMOgIFNpZ2xhIGRlIFVuaXZlcnNpZGFkZSAKb3MgZGlyZWl0b3MgYXByZXNlbnRhZG9zIG5lc3RhIGxpY2Vuw6dhLCBlIHF1ZSBlc3NlIG1hdGVyaWFsIGRlIHByb3ByaWVkYWRlIGRlIHRlcmNlaXJvcyBlc3TDoSBjbGFyYW1lbnRlIAppZGVudGlmaWNhZG8gZSByZWNvbmhlY2lkbyBubyB0ZXh0byBvdSBubyBjb250ZcO6ZG8gZGEgdGVzZSBvdSBkaXNzZXJ0YcOnw6NvIG9yYSBkZXBvc2l0YWRhLgoKQ0FTTyBBIFRFU0UgT1UgRElTU0VSVEHDh8ODTyBPUkEgREVQT1NJVEFEQSBURU5IQSBTSURPIFJFU1VMVEFETyBERSBVTSBQQVRST0PDjU5JTyBPVSAKQVBPSU8gREUgVU1BIEFHw4pOQ0lBIERFIEZPTUVOVE8gT1UgT1VUUk8gT1JHQU5JU01PIFFVRSBOw4NPIFNFSkEgQSBTSUdMQSBERSAKVU5JVkVSU0lEQURFLCBWT0PDiiBERUNMQVJBIFFVRSBSRVNQRUlUT1UgVE9ET1MgRSBRVUFJU1FVRVIgRElSRUlUT1MgREUgUkVWSVPDg08gQ09NTyAKVEFNQsOJTSBBUyBERU1BSVMgT0JSSUdBw4fDlUVTIEVYSUdJREFTIFBPUiBDT05UUkFUTyBPVSBBQ09SRE8uCgpBIFNpZ2xhIGRlIFVuaXZlcnNpZGFkZSBzZSBjb21wcm9tZXRlIGEgaWRlbnRpZmljYXIgY2xhcmFtZW50ZSBvIHNldSBub21lIChzKSBvdSBvKHMpIG5vbWUocykgZG8ocykgCmRldGVudG9yKGVzKSBkb3MgZGlyZWl0b3MgYXV0b3JhaXMgZGEgdGVzZSBvdSBkaXNzZXJ0YcOnw6NvLCBlIG7Do28gZmFyw6EgcXVhbHF1ZXIgYWx0ZXJhw6fDo28sIGFsw6ltIGRhcXVlbGFzIApjb25jZWRpZGFzIHBvciBlc3RhIGxpY2Vuw6dhLgo=Biblioteca Digital de Teses e Dissertaçõeshttp://www.tede2.ufrpe.br:8080/tede/PUBhttp://www.tede2.ufrpe.br:8080/oai/requestbdtd@ufrpe.br ||bdtd@ufrpe.bropendoar:2024-05-28T12:35:11.154885Biblioteca Digital de Teses e Dissertações da UFRPE - Universidade Federal Rural de Pernambuco (UFRPE)false |
dc.title.por.fl_str_mv |
Diferentes fontes de carbono no cultivo intensivo da tilápia do nilo Oreochromis niloticus (Linnaeus, 1758) em sistema de bioflocos |
title |
Diferentes fontes de carbono no cultivo intensivo da tilápia do nilo Oreochromis niloticus (Linnaeus, 1758) em sistema de bioflocos |
spellingShingle |
Diferentes fontes de carbono no cultivo intensivo da tilápia do nilo Oreochromis niloticus (Linnaeus, 1758) em sistema de bioflocos LIMA, Eduardo Cesar Rodrigues de Tilápia do nilo Oreochromis niloticus Fonte de carbono Sistema de biofloco CIENCIAS AGRARIAS::RECURSOS PESQUEIROS E ENGENHARIA DE PESCA |
title_short |
Diferentes fontes de carbono no cultivo intensivo da tilápia do nilo Oreochromis niloticus (Linnaeus, 1758) em sistema de bioflocos |
title_full |
Diferentes fontes de carbono no cultivo intensivo da tilápia do nilo Oreochromis niloticus (Linnaeus, 1758) em sistema de bioflocos |
title_fullStr |
Diferentes fontes de carbono no cultivo intensivo da tilápia do nilo Oreochromis niloticus (Linnaeus, 1758) em sistema de bioflocos |
title_full_unstemmed |
Diferentes fontes de carbono no cultivo intensivo da tilápia do nilo Oreochromis niloticus (Linnaeus, 1758) em sistema de bioflocos |
title_sort |
Diferentes fontes de carbono no cultivo intensivo da tilápia do nilo Oreochromis niloticus (Linnaeus, 1758) em sistema de bioflocos |
author |
LIMA, Eduardo Cesar Rodrigues de |
author_facet |
LIMA, Eduardo Cesar Rodrigues de |
author_role |
author |
dc.contributor.advisor1.fl_str_mv |
CORREIA, Eudes de Souza |
dc.contributor.referee1.fl_str_mv |
CAVALLI, Ronaldo Olivera |
dc.contributor.referee2.fl_str_mv |
SANTOS, Athiê Jorge Guerra |
dc.contributor.referee3.fl_str_mv |
GÁLVEZ, Alfredo Olivera |
dc.contributor.referee4.fl_str_mv |
SILVA, Luís Otávio Brito da |
dc.contributor.authorLattes.fl_str_mv |
http://lattes.cnpq.br/6992040657633026 |
dc.contributor.author.fl_str_mv |
LIMA, Eduardo Cesar Rodrigues de |
contributor_str_mv |
CORREIA, Eudes de Souza CAVALLI, Ronaldo Olivera SANTOS, Athiê Jorge Guerra GÁLVEZ, Alfredo Olivera SILVA, Luís Otávio Brito da |
dc.subject.por.fl_str_mv |
Tilápia do nilo Oreochromis niloticus Fonte de carbono Sistema de biofloco |
topic |
Tilápia do nilo Oreochromis niloticus Fonte de carbono Sistema de biofloco CIENCIAS AGRARIAS::RECURSOS PESQUEIROS E ENGENHARIA DE PESCA |
dc.subject.cnpq.fl_str_mv |
CIENCIAS AGRARIAS::RECURSOS PESQUEIROS E ENGENHARIA DE PESCA |
description |
Biofloc technology has brought advances in traditional aquaculture, mainly in shrimp and tilapia. The main advantages are low water use, recycling of nitrogen compounds and production of supplementary food rich in protein. Various carbon sources are employed in the biofloc culture, as sugars, starches, alcohols and fibers. So the aim of this study was to evaluate the effects of organic carbon sources on water quality, growth performance and acceptance of Nile tilapia fillets (Oreochromis niloticus) cultured in biofloc systems. Were adopted three treatments involving the sources of carbon, as sugar (AÇU), liquid molasses (MEL) and powder molasses (MEP), with five replicates each and a control treatment (CTL) without biofloc, with four replications. Fish (72.6 g) were stocked in 19 circular tanks (800L) at a density of 35 fish/m3 and grown by 145 days. They evaluated the water quality variables, growth performance and acceptability of tilapia fillets. The dissolved oxygen concentration was significantly higher (P≤0.05) in the tanks without bioflocs (CTL) in the absence of bacterial biomass. Total ammonia nitrogen (NAT) showed statistical significance (P≤0.05) between the AÇU treatment and the other with bioflocs, displaying the lowest concentration of 2.53 mg NAT/L. Already nitrite, showed no statistical difference (P>0.05) among treatments with mean values ranging from 0.74 to 2.3 mg of N-NO2/L. The final weight ranged from 339 to 409 g, with feed conversion ratio between 1.61 and 1.89, survival 80-99% and showed no statistical difference between treatments (P>0.05). Productivity ranged from 9.72 (AÇU) to 14.22 Kg/m3 (CTL) (P≤0.05). The tanks without bioflocs (CTL) consumed 9 m3 of water to produce 1 kg of fish, while the bioflocs used only 0.68 m3, which represents a 13 times lower consumption. The percentage of protein in fillets of tilapia and analyzed bioflocs ranged respectively 17-20% and 31-33%.Tilapia fillets coming from biofloc with sugar showed to have the preference of the evaluators, with note 7.77 (like moderately to like very much). With these results, it is concluded that the carbon sources (molasses and sugar) can be used in the tilapia culture with biofloc without damage to water culture and productivity. Moreover, one should consider the ease of obtaining sugar. |
publishDate |
2016 |
dc.date.issued.fl_str_mv |
2016-02-23 |
dc.date.accessioned.fl_str_mv |
2017-10-23T12:50:42Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/masterThesis |
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masterThesis |
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publishedVersion |
dc.identifier.citation.fl_str_mv |
LIMA, Eduardo Cesar Rodrigues de. Diferentes fontes de carbono no cultivo intensivo da tilápia do nilo Oreochromis niloticus (Linnaeus, 1758) em sistema de bioflocos. 2016. 58 f. Dissertação (Programa de Pós-Graduação em Recursos Pesqueiros e Aquicultura) - Universidade Federal Rural de Pernambuco, Recife. |
dc.identifier.uri.fl_str_mv |
http://www.tede2.ufrpe.br:8080/tede2/handle/tede2/7084 |
identifier_str_mv |
LIMA, Eduardo Cesar Rodrigues de. Diferentes fontes de carbono no cultivo intensivo da tilápia do nilo Oreochromis niloticus (Linnaeus, 1758) em sistema de bioflocos. 2016. 58 f. Dissertação (Programa de Pós-Graduação em Recursos Pesqueiros e Aquicultura) - Universidade Federal Rural de Pernambuco, Recife. |
url |
http://www.tede2.ufrpe.br:8080/tede2/handle/tede2/7084 |
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por |
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por |
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Departamento de Pesca e Aquicultura |
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Universidade Federal Rural de Pernambuco |
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