Adição do nitrito de sódio em sistema de biofloco e toxicidade do nitrito para o camarão Litopenaeus vannamei
Autor(a) principal: | |
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Data de Publicação: | 2013 |
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/tede2/6244 |
Resumo: | The accumulation of nitrite is one of the major constraint on water quality in system biofloc. This nitrogen compound is very toxic to aquatic organisms and systems without water exchange, concentrations can reach lethal levels. This study was divided into two experiments. The first objective was to evaluate the contribution of prior addition of sodium nitrite (NaNO2) in the formation of nitrogenous compounds in system biofloc with Litopenaeus vannamei. It was used a completely randomized design with two treatments and eight replications: 1) with the addition of sodium nitrite to 10 days before storage (NaNO2) and 2) without the addition of sodium nitrite (CTL). The post-larvae (0.143 ± 0.001 g) were stocked in 50 L tanks at a density of 1 PL L-1 for 28 days. Daily we measured physical and chemical parameters of the water weekly and ammonia, nitrite, nitrate, alkalinity and volume of flocs. The second experiment aimed to determine the acute toxicity of nitrite in post-larvae (0.012 ± 0.03 g) and juveniles (2.49 ± 0.20 g) for L. vannamei in salinity 30. Experimental units were used with a volume of 10 L and 1.6 L for post-larvae and juveniles respectively. The experiment was conducted in the following concentrations: 0, 20, 40, 80, 160, 240, 320, 400 and 480 mg NO2-N L-1. We determined the median lethal concentration (LC50) for post-larvae and juveniles in 24, 48, 72 and 96 h. In the first experiment, the addition of NaNO2 may have accelerated the formation of nitrate, however the other variables did not influence water quality. There was no difference between treatments for the results of zootechnical performance of shrimp. The survival data for both treatments were above 95%. In the second experiment, the values of lethal concentration (LC50) of nitrite in post-larvae and juveniles for 24, 48, 72 and 96 h were respectively 224.6, 109.43, 41.16, 25.52 mg NO2-N L-1, and 273.51, 147.97, 113.97, 83.78 mg NO2-N L-1. According to the results of LC50 was possible to estimate the levels of security for post-larval and juvenile L. vannamei at 2.55 and 8.38 mg NO2-N L-1. |
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CORREIA, Eudes de SouzaLIMA, Juliana Schober GonçalvesPEIXOTO, Silvio Ricardo MauranoMENDES, Paulo de PaulaGÁLVEZ, Alfredo Oliverahttp://lattes.cnpq.br/7263871448497310CARVALHO, Bruna Larissa Ferreira de2017-02-08T15:13:02Z2013-02-25CARVALHO, Bruna Larissa Ferreira de. Adição do nitrito de sódio em sistema de biofloco e toxicidade do nitrito para o camarão Litopenaeus vannamei. 2013. 74 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/tede2/6244The accumulation of nitrite is one of the major constraint on water quality in system biofloc. This nitrogen compound is very toxic to aquatic organisms and systems without water exchange, concentrations can reach lethal levels. This study was divided into two experiments. The first objective was to evaluate the contribution of prior addition of sodium nitrite (NaNO2) in the formation of nitrogenous compounds in system biofloc with Litopenaeus vannamei. It was used a completely randomized design with two treatments and eight replications: 1) with the addition of sodium nitrite to 10 days before storage (NaNO2) and 2) without the addition of sodium nitrite (CTL). The post-larvae (0.143 ± 0.001 g) were stocked in 50 L tanks at a density of 1 PL L-1 for 28 days. Daily we measured physical and chemical parameters of the water weekly and ammonia, nitrite, nitrate, alkalinity and volume of flocs. The second experiment aimed to determine the acute toxicity of nitrite in post-larvae (0.012 ± 0.03 g) and juveniles (2.49 ± 0.20 g) for L. vannamei in salinity 30. Experimental units were used with a volume of 10 L and 1.6 L for post-larvae and juveniles respectively. The experiment was conducted in the following concentrations: 0, 20, 40, 80, 160, 240, 320, 400 and 480 mg NO2-N L-1. We determined the median lethal concentration (LC50) for post-larvae and juveniles in 24, 48, 72 and 96 h. In the first experiment, the addition of NaNO2 may have accelerated the formation of nitrate, however the other variables did not influence water quality. There was no difference between treatments for the results of zootechnical performance of shrimp. The survival data for both treatments were above 95%. In the second experiment, the values of lethal concentration (LC50) of nitrite in post-larvae and juveniles for 24, 48, 72 and 96 h were respectively 224.6, 109.43, 41.16, 25.52 mg NO2-N L-1, and 273.51, 147.97, 113.97, 83.78 mg NO2-N L-1. According to the results of LC50 was possible to estimate the levels of security for post-larval and juvenile L. vannamei at 2.55 and 8.38 mg NO2-N L-1.O acúmulo de nitrito é um dos principais entraves na qualidade da água em sistema de biofloco. Este composto nitrogenado é bastante tóxico para os organismos aquáticos e em sistemas sem troca de água, as concentrações podem chegar a níveis letais. O presente estudo foi dividido em dois experimentos. No primeiro, objetivou-se avaliar a contribuição da adição prévia de nitrito de sódio (NaNO2) na formação dos compostos nitrogenados em sistema de biofloco com Litopenaeus vannamei. Foi adotado um delineamento inteiramente casualizado com dois tratamentos e oito repetições: 1) com adição de nitrito de sódio 10 dias antes da estocagem (NaNO2) e 2) sem adição de nitrito de sódio (CTL). As pós-larvas (0,143 ± 0,001 g) foram estocados em tanques de 50 L na densidade de 1 PL L-1, durante 28 dias. Diariamente foram mensurados os parâmetros físico-químicos da água e semanalmente amônia, nitrito, nitrato, alcalinidade e o volume dos flocos. O segundo experimento teve como objetivo verificar a toxicidade aguda do nitrito em pós-larva (0,012 ± 0,03 g) e juvenis (2,49 ± 0,20 g) para o L. vannamei em salinidade 30. Foram utilizadas unidades experimentais com volume útil de 1,6 e 10 L, para pós-larvas e juvenis, respectivamente. O experimento foi realizado nas seguintes concentrações 0, 20, 40, 80, 160, 240, 320, 400 e 480 mg NO2-N L-1. Foram determinadas as concentrações letais medianas (LC50) para pós-larva e juvenis em 24, 48, 72 e 96 h. No primeiro experimento, a adição de NaNO2 pode ter acelerado a formação de nitrato, entretanto não influenciou as demais variáveis de qualidade de água. Não houve diferença entre os tratamentos para os resultados de desempenho zootécnicos dos camarões. Os dados de sobrevivência para ambos os tratamentos estiveram acima de 95%. No segundo experimento, os valores de concentração letal (LC50) de nitrito em pós-larvas e juvenis para 24, 48, 72 e 96 h foram respectivamente 224,6, 109,43, 41,16, 25,52 mg NO2-N L-1; e 273,51, 147,97, 113,97, 83,78 mg NO2-N L-1. De acordo com os resultados de LC50 foi possível estimar os níveis de segurança para pós-larva e juvenil de L. vannamei em 2,55 e 8,38 mg NO2-N L-1.Submitted by (edna.saturno@ufrpe.br) on 2017-02-08T15:13:02Z No. of bitstreams: 1 Bruna Larissa Ferreira de Carvalho.pdf: 1085105 bytes, checksum: 508758721a8072d306835fa150dcd0e1 (MD5)Made available in DSpace on 2017-02-08T15:13:02Z (GMT). No. of bitstreams: 1 Bruna Larissa Ferreira de Carvalho.pdf: 1085105 bytes, checksum: 508758721a8072d306835fa150dcd0e1 (MD5) Previous issue date: 2013-02-25Coordenação de Aperfeiçoamento de Pessoal de Nível Superior - CAPESapplication/pdfporUniversidade Federal Rural de PernambucoPrograma de Pós-Graduação em Recursos Pesqueiros e AquiculturaUFRPEBrasilDepartamento de Pesca e AquiculturaNitrito de sódioToxicidadeSistema de bioflocoLitopenaeus vannameiCamarãoCIENCIAS AGRARIAS::RECURSOS PESQUEIROS E ENGENHARIA DE PESCAAdição do nitrito de sódio em sistema de biofloco e toxicidade do nitrito para o camarão Litopenaeus vannameiinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/masterThesis80217415640343225476006006006007231936942857037408-61317501987095198112075167498588264571info: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/tede2/6244/1/license.txtbd3efa91386c1718a7f26a329fdcb468MD51ORIGINALBruna Larissa Ferreira de Carvalho.pdfBruna Larissa Ferreira de Carvalho.pdfapplication/pdf1085105http://www.tede2.ufrpe.br:8080/tede2/bitstream/tede2/6244/2/Bruna+Larissa+Ferreira+de+Carvalho.pdf508758721a8072d306835fa150dcd0e1MD52tede2/62442018-07-20 11:21:26.153oai:tede2: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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:2024-05-28T12:34:05.977921Biblioteca Digital de Teses e Dissertações da UFRPE - Universidade Federal Rural de Pernambuco (UFRPE)false |
dc.title.por.fl_str_mv |
Adição do nitrito de sódio em sistema de biofloco e toxicidade do nitrito para o camarão Litopenaeus vannamei |
title |
Adição do nitrito de sódio em sistema de biofloco e toxicidade do nitrito para o camarão Litopenaeus vannamei |
spellingShingle |
Adição do nitrito de sódio em sistema de biofloco e toxicidade do nitrito para o camarão Litopenaeus vannamei CARVALHO, Bruna Larissa Ferreira de Nitrito de sódio Toxicidade Sistema de biofloco Litopenaeus vannamei Camarão CIENCIAS AGRARIAS::RECURSOS PESQUEIROS E ENGENHARIA DE PESCA |
title_short |
Adição do nitrito de sódio em sistema de biofloco e toxicidade do nitrito para o camarão Litopenaeus vannamei |
title_full |
Adição do nitrito de sódio em sistema de biofloco e toxicidade do nitrito para o camarão Litopenaeus vannamei |
title_fullStr |
Adição do nitrito de sódio em sistema de biofloco e toxicidade do nitrito para o camarão Litopenaeus vannamei |
title_full_unstemmed |
Adição do nitrito de sódio em sistema de biofloco e toxicidade do nitrito para o camarão Litopenaeus vannamei |
title_sort |
Adição do nitrito de sódio em sistema de biofloco e toxicidade do nitrito para o camarão Litopenaeus vannamei |
author |
CARVALHO, Bruna Larissa Ferreira de |
author_facet |
CARVALHO, Bruna Larissa Ferreira de |
author_role |
author |
dc.contributor.advisor1.fl_str_mv |
CORREIA, Eudes de Souza |
dc.contributor.referee1.fl_str_mv |
LIMA, Juliana Schober Gonçalves |
dc.contributor.referee2.fl_str_mv |
PEIXOTO, Silvio Ricardo Maurano |
dc.contributor.referee3.fl_str_mv |
MENDES, Paulo de Paula |
dc.contributor.referee4.fl_str_mv |
GÁLVEZ, Alfredo Olivera |
dc.contributor.authorLattes.fl_str_mv |
http://lattes.cnpq.br/7263871448497310 |
dc.contributor.author.fl_str_mv |
CARVALHO, Bruna Larissa Ferreira de |
contributor_str_mv |
CORREIA, Eudes de Souza LIMA, Juliana Schober Gonçalves PEIXOTO, Silvio Ricardo Maurano MENDES, Paulo de Paula GÁLVEZ, Alfredo Olivera |
dc.subject.por.fl_str_mv |
Nitrito de sódio Toxicidade Sistema de biofloco Litopenaeus vannamei Camarão |
topic |
Nitrito de sódio Toxicidade Sistema de biofloco Litopenaeus vannamei Camarão CIENCIAS AGRARIAS::RECURSOS PESQUEIROS E ENGENHARIA DE PESCA |
dc.subject.cnpq.fl_str_mv |
CIENCIAS AGRARIAS::RECURSOS PESQUEIROS E ENGENHARIA DE PESCA |
description |
The accumulation of nitrite is one of the major constraint on water quality in system biofloc. This nitrogen compound is very toxic to aquatic organisms and systems without water exchange, concentrations can reach lethal levels. This study was divided into two experiments. The first objective was to evaluate the contribution of prior addition of sodium nitrite (NaNO2) in the formation of nitrogenous compounds in system biofloc with Litopenaeus vannamei. It was used a completely randomized design with two treatments and eight replications: 1) with the addition of sodium nitrite to 10 days before storage (NaNO2) and 2) without the addition of sodium nitrite (CTL). The post-larvae (0.143 ± 0.001 g) were stocked in 50 L tanks at a density of 1 PL L-1 for 28 days. Daily we measured physical and chemical parameters of the water weekly and ammonia, nitrite, nitrate, alkalinity and volume of flocs. The second experiment aimed to determine the acute toxicity of nitrite in post-larvae (0.012 ± 0.03 g) and juveniles (2.49 ± 0.20 g) for L. vannamei in salinity 30. Experimental units were used with a volume of 10 L and 1.6 L for post-larvae and juveniles respectively. The experiment was conducted in the following concentrations: 0, 20, 40, 80, 160, 240, 320, 400 and 480 mg NO2-N L-1. We determined the median lethal concentration (LC50) for post-larvae and juveniles in 24, 48, 72 and 96 h. In the first experiment, the addition of NaNO2 may have accelerated the formation of nitrate, however the other variables did not influence water quality. There was no difference between treatments for the results of zootechnical performance of shrimp. The survival data for both treatments were above 95%. In the second experiment, the values of lethal concentration (LC50) of nitrite in post-larvae and juveniles for 24, 48, 72 and 96 h were respectively 224.6, 109.43, 41.16, 25.52 mg NO2-N L-1, and 273.51, 147.97, 113.97, 83.78 mg NO2-N L-1. According to the results of LC50 was possible to estimate the levels of security for post-larval and juvenile L. vannamei at 2.55 and 8.38 mg NO2-N L-1. |
publishDate |
2013 |
dc.date.issued.fl_str_mv |
2013-02-25 |
dc.date.accessioned.fl_str_mv |
2017-02-08T15:13:02Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/masterThesis |
format |
masterThesis |
status_str |
publishedVersion |
dc.identifier.citation.fl_str_mv |
CARVALHO, Bruna Larissa Ferreira de. Adição do nitrito de sódio em sistema de biofloco e toxicidade do nitrito para o camarão Litopenaeus vannamei. 2013. 74 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/tede2/6244 |
identifier_str_mv |
CARVALHO, Bruna Larissa Ferreira de. Adição do nitrito de sódio em sistema de biofloco e toxicidade do nitrito para o camarão Litopenaeus vannamei. 2013. 74 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/tede2/6244 |
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por |
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por |
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openAccess |
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Universidade Federal Rural de Pernambuco |
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Programa de Pós-Graduação em Recursos Pesqueiros e Aquicultura |
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Brasil |
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Departamento de Pesca e Aquicultura |
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Universidade Federal Rural de Pernambuco |
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