Hematologia e histopatologia de tilápia-do-nilo exposta a concentrações sub-letais de selenito de sódio (Na2SeO3 Se4+)
Autor(a) principal: | |
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Data de Publicação: | 2014 |
Outros Autores: | , , , |
Tipo de documento: | Artigo |
Idioma: | eng por |
Título da fonte: | Repositório Institucional da UNESP |
Texto Completo: | http://hdl.handle.net/11449/220155 |
Resumo: | The aim of this study was to analyze the effects of chronic toxicity of sodium selenite (Na2SeO3 SE4+) on juvenile Nile tilapia Oreochromis niloticus. Therefore, a toxicity test was carried out with three sub-lethal concentrations of that salt (0.4 mgSe L-1, 0.04 mgSe L-1 and 0.01 mgSe L-1), plus a control group. The experiment was carried out for 14 days, sampling six individuals per treatment in intervals of 0, 3, 7, 10 and 14 days. Effects of chronic sublethal concentrations of selenite were evaluated by routine haematological and histopathological analysis. There were significant differences (P<0.05) in the rate of hemoglobin, mean corpuscular volume (MCV), mean corpuscular hemoglobin (MCH) and mean corpuscular hemoglobin concentration (MCHC) and an increase of the total number of leukocytes, mainly due to the increased number of lymphocytes, monocytes, and neutrophils. Severe gill hyperplasia was found on the fourteenth day. Nephrosis were found in the cephalic kidney, characterized by glomerulonephritis and tubular vacuolar degeneration, which was a result of the necrosis or secondary infection, glomerular atrophy and glomerulosclerosis, proliferative glomerulonephritis, nephrosis, nephrosclerosis, tubular calcification, edema and hemorrhage. It was found that selenite, at the tested concentrations despite being sublethal, caused histological and hematological changes in Nile tilapia. |
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Hematologia e histopatologia de tilápia-do-nilo exposta a concentrações sub-letais de selenito de sódio (Na2SeO3 Se4+)Hematological and histopathological analysis in nile tilapia, exposed to sublethal concentrations of sodium selenite (Na2SeO3 Se4+)AquacultureAquatic toxicityBloodGillHead kidneyThe aim of this study was to analyze the effects of chronic toxicity of sodium selenite (Na2SeO3 SE4+) on juvenile Nile tilapia Oreochromis niloticus. Therefore, a toxicity test was carried out with three sub-lethal concentrations of that salt (0.4 mgSe L-1, 0.04 mgSe L-1 and 0.01 mgSe L-1), plus a control group. The experiment was carried out for 14 days, sampling six individuals per treatment in intervals of 0, 3, 7, 10 and 14 days. Effects of chronic sublethal concentrations of selenite were evaluated by routine haematological and histopathological analysis. There were significant differences (P<0.05) in the rate of hemoglobin, mean corpuscular volume (MCV), mean corpuscular hemoglobin (MCH) and mean corpuscular hemoglobin concentration (MCHC) and an increase of the total number of leukocytes, mainly due to the increased number of lymphocytes, monocytes, and neutrophils. Severe gill hyperplasia was found on the fourteenth day. Nephrosis were found in the cephalic kidney, characterized by glomerulonephritis and tubular vacuolar degeneration, which was a result of the necrosis or secondary infection, glomerular atrophy and glomerulosclerosis, proliferative glomerulonephritis, nephrosis, nephrosclerosis, tubular calcification, edema and hemorrhage. It was found that selenite, at the tested concentrations despite being sublethal, caused histological and hematological changes in Nile tilapia.Instituto de Pesca de São Paulo, Av. Francisco Matarazzo, 455, CEP: 05001-900 - São Paulo - SPLab and Vet Diagnóstico e Consultoria LtdaCAUNESP, Jaboticabal, SPCAUNESP, Jaboticabal, SPInstituto de Pesca de São PauloLab and Vet Diagnóstico e Consultoria LtdaUniversidade Estadual Paulista (UNESP)Ranzani-Paiva, Maria José TavaresLombardi, Julio VicenteMaiorino, Fernando CorletoGonçalves, Adriano [UNESP]Dias, Danielle de Carla2022-04-28T18:59:54Z2022-04-28T18:59:54Z2014-01-01info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/article23-33Boletim do Instituto de Pesca, v. 40, n. 1, p. 23-33, 2014.0046-99391678-2305http://hdl.handle.net/11449/2201552-s2.0-84901005242Scopusreponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPengporBoletim do Instituto de Pescainfo:eu-repo/semantics/openAccess2022-04-28T18:59:54Zoai:repositorio.unesp.br:11449/220155Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462022-04-28T18:59:54Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false |
dc.title.none.fl_str_mv |
Hematologia e histopatologia de tilápia-do-nilo exposta a concentrações sub-letais de selenito de sódio (Na2SeO3 Se4+) Hematological and histopathological analysis in nile tilapia, exposed to sublethal concentrations of sodium selenite (Na2SeO3 Se4+) |
title |
Hematologia e histopatologia de tilápia-do-nilo exposta a concentrações sub-letais de selenito de sódio (Na2SeO3 Se4+) |
spellingShingle |
Hematologia e histopatologia de tilápia-do-nilo exposta a concentrações sub-letais de selenito de sódio (Na2SeO3 Se4+) Ranzani-Paiva, Maria José Tavares Aquaculture Aquatic toxicity Blood Gill Head kidney |
title_short |
Hematologia e histopatologia de tilápia-do-nilo exposta a concentrações sub-letais de selenito de sódio (Na2SeO3 Se4+) |
title_full |
Hematologia e histopatologia de tilápia-do-nilo exposta a concentrações sub-letais de selenito de sódio (Na2SeO3 Se4+) |
title_fullStr |
Hematologia e histopatologia de tilápia-do-nilo exposta a concentrações sub-letais de selenito de sódio (Na2SeO3 Se4+) |
title_full_unstemmed |
Hematologia e histopatologia de tilápia-do-nilo exposta a concentrações sub-letais de selenito de sódio (Na2SeO3 Se4+) |
title_sort |
Hematologia e histopatologia de tilápia-do-nilo exposta a concentrações sub-letais de selenito de sódio (Na2SeO3 Se4+) |
author |
Ranzani-Paiva, Maria José Tavares |
author_facet |
Ranzani-Paiva, Maria José Tavares Lombardi, Julio Vicente Maiorino, Fernando Corleto Gonçalves, Adriano [UNESP] Dias, Danielle de Carla |
author_role |
author |
author2 |
Lombardi, Julio Vicente Maiorino, Fernando Corleto Gonçalves, Adriano [UNESP] Dias, Danielle de Carla |
author2_role |
author author author author |
dc.contributor.none.fl_str_mv |
Instituto de Pesca de São Paulo Lab and Vet Diagnóstico e Consultoria Ltda Universidade Estadual Paulista (UNESP) |
dc.contributor.author.fl_str_mv |
Ranzani-Paiva, Maria José Tavares Lombardi, Julio Vicente Maiorino, Fernando Corleto Gonçalves, Adriano [UNESP] Dias, Danielle de Carla |
dc.subject.por.fl_str_mv |
Aquaculture Aquatic toxicity Blood Gill Head kidney |
topic |
Aquaculture Aquatic toxicity Blood Gill Head kidney |
description |
The aim of this study was to analyze the effects of chronic toxicity of sodium selenite (Na2SeO3 SE4+) on juvenile Nile tilapia Oreochromis niloticus. Therefore, a toxicity test was carried out with three sub-lethal concentrations of that salt (0.4 mgSe L-1, 0.04 mgSe L-1 and 0.01 mgSe L-1), plus a control group. The experiment was carried out for 14 days, sampling six individuals per treatment in intervals of 0, 3, 7, 10 and 14 days. Effects of chronic sublethal concentrations of selenite were evaluated by routine haematological and histopathological analysis. There were significant differences (P<0.05) in the rate of hemoglobin, mean corpuscular volume (MCV), mean corpuscular hemoglobin (MCH) and mean corpuscular hemoglobin concentration (MCHC) and an increase of the total number of leukocytes, mainly due to the increased number of lymphocytes, monocytes, and neutrophils. Severe gill hyperplasia was found on the fourteenth day. Nephrosis were found in the cephalic kidney, characterized by glomerulonephritis and tubular vacuolar degeneration, which was a result of the necrosis or secondary infection, glomerular atrophy and glomerulosclerosis, proliferative glomerulonephritis, nephrosis, nephrosclerosis, tubular calcification, edema and hemorrhage. It was found that selenite, at the tested concentrations despite being sublethal, caused histological and hematological changes in Nile tilapia. |
publishDate |
2014 |
dc.date.none.fl_str_mv |
2014-01-01 2022-04-28T18:59:54Z 2022-04-28T18:59:54Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
Boletim do Instituto de Pesca, v. 40, n. 1, p. 23-33, 2014. 0046-9939 1678-2305 http://hdl.handle.net/11449/220155 2-s2.0-84901005242 |
identifier_str_mv |
Boletim do Instituto de Pesca, v. 40, n. 1, p. 23-33, 2014. 0046-9939 1678-2305 2-s2.0-84901005242 |
url |
http://hdl.handle.net/11449/220155 |
dc.language.iso.fl_str_mv |
eng por |
language |
eng por |
dc.relation.none.fl_str_mv |
Boletim do Instituto de Pesca |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
23-33 |
dc.source.none.fl_str_mv |
Scopus reponame:Repositório Institucional da UNESP instname:Universidade Estadual Paulista (UNESP) instacron:UNESP |
instname_str |
Universidade Estadual Paulista (UNESP) |
instacron_str |
UNESP |
institution |
UNESP |
reponame_str |
Repositório Institucional da UNESP |
collection |
Repositório Institucional da UNESP |
repository.name.fl_str_mv |
Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP) |
repository.mail.fl_str_mv |
|
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1799965708792102912 |