Red blood cell parameters and osmotic fragility curve of Colossoma macropomum (Pisces, Osteichthyes, Mileinae) in captivity
Autor(a) principal: | |
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Data de Publicação: | 2008 |
Outros Autores: | , , |
Tipo de documento: | Artigo |
Idioma: | por |
Título da fonte: | Acta Scientiarum Biological Sciences |
Texto Completo: | http://www.periodicos.uem.br/ojs/index.php/ActaSciBiolSci/article/view/2709 |
Resumo: | In order to establish reference values for certain haematological parameters and osmotic fragility curve for the blood of Colossoma macropomum, blood samples were collected from 38 fish bred on farms in the state of Tocantins, Brazil. Red blood cell count, haemoglobin content and haematocrit were determined. Osmotic fragility curves were determined for 30 minutes under resting conditions at 30ºC, incubated curves at 37, 30 and 27ºC for 24 hours and incubated curves for 12 hours at 27ºC. The haematimetric values obtained were: red blood cell count= 1.58 ± 0.08 x1012/L; haemoglobin= 7.2 ± 0.32 g/dL; haematocrit= 34.0 ± 1.6%; MCV= 217.6 ± 13.2fL; MCH= 46.3 ± 2.6 pg and MCHC= 21.5 ± 1.4%. Osmotic fragility of fish erythrocytes was assessed according to haemolysis rate. Haemolysis began at 85.5 mM NaCl and total haemolysis occurred at 17 mM NaCl. Samples from incubated curve for 24 hours showed total haemolysis in all concentrations, regardless of temperature. In the samples from incubated curve at 27ºC for 12 hours initial haemolysis was observed at 154 mM and total haemolysis at 17 mM NaCl |
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Red blood cell parameters and osmotic fragility curve of Colossoma macropomum (Pisces, Osteichthyes, Mileinae) in captivityParâmetros eritrocitários e curva de fragilidade osmótica de Colossoma macropomum (Pisces, Osteichthyes, Mileinae) em cativeiroeritrócitoscurva de fragilidade osmóticapeixesColossoma macropomum2.00.00.00-6 Ciências BiológicasIn order to establish reference values for certain haematological parameters and osmotic fragility curve for the blood of Colossoma macropomum, blood samples were collected from 38 fish bred on farms in the state of Tocantins, Brazil. Red blood cell count, haemoglobin content and haematocrit were determined. Osmotic fragility curves were determined for 30 minutes under resting conditions at 30ºC, incubated curves at 37, 30 and 27ºC for 24 hours and incubated curves for 12 hours at 27ºC. The haematimetric values obtained were: red blood cell count= 1.58 ± 0.08 x1012/L; haemoglobin= 7.2 ± 0.32 g/dL; haematocrit= 34.0 ± 1.6%; MCV= 217.6 ± 13.2fL; MCH= 46.3 ± 2.6 pg and MCHC= 21.5 ± 1.4%. Osmotic fragility of fish erythrocytes was assessed according to haemolysis rate. Haemolysis began at 85.5 mM NaCl and total haemolysis occurred at 17 mM NaCl. Samples from incubated curve for 24 hours showed total haemolysis in all concentrations, regardless of temperature. In the samples from incubated curve at 27ºC for 12 hours initial haemolysis was observed at 154 mM and total haemolysis at 17 mM NaClA fim de estabelecer valores de referência de certos parâmetros hematológicos e a curva de fragilidade osmótica do sangue de Colossoma macropomum, as amostras de sangue foram coletadas de 38 peixes, provenientes de fazendas do Estado do Tocantins, Brasil. Foram determinados o número de eritrócitos e o conteúdo de hemoglobina e hematócrito. A curva de fragilidade osmótica foi determinada com a incubação dos tubos por 30 minutos a 30ºC, incubadas a 37, 30 e 27ºC por 24 horas e incubadas por 12 horas a 27ºC. Os valores hematimétricos obtidos foram: número de eritrócitos= 1,58 ± 0,08 x1012/L; hemoglobina= 7,2 ± 0,32g/dL; hematócrito= 34,0 ± 1,6%; VCM= 217,6 ± 13,2fL; HCM= 46,3 ± 2,6pg e CHCM= 21,5 ± 1,4%. A fragilidade osmótica dos eritrócitos de peixes foi conduzida de acordo com os padrões de hemólise. A hemólise iniciou-se a 85,5 mM de NaCl e a hemólise total ocorreu a 17 mM. As amostras da curva incubada por 24 horas demonstraram hemólise total para todas as concentrações testadas, independentemente da temperatura. Nas amostras da curva incubada a 27ºC por 12 horas a hemólise inicial foi observada a 154 mM de NaCl e a hemólise total em 17 mMUniversidade Estadual De Maringá2008-05-09info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttp://www.periodicos.uem.br/ojs/index.php/ActaSciBiolSci/article/view/270910.4025/actascibiolsci.v23i0.2709Acta Scientiarum. Biological Sciences; Vol 23 (2001); 515-520Acta Scientiarum. Biological Sciences; v. 23 (2001); 515-5201807-863X1679-9283reponame:Acta Scientiarum Biological Sciencesinstname:Universidade Estadual de Maringá (UEM)instacron:UEMporhttp://www.periodicos.uem.br/ojs/index.php/ActaSciBiolSci/article/view/2709/2028Seibert, Carla SimoneShinnohara, Elvira Maria GuerraCarvalho, Elianora Gomes deMarques, Elineide Eugenioinfo:eu-repo/semantics/openAccess2022-11-23T17:33:27Zoai:periodicos.uem.br/ojs:article/2709Revistahttp://www.periodicos.uem.br/ojs/index.php/ActaSciBiolSciPUBhttp://www.periodicos.uem.br/ojs/index.php/ActaSciBiolSci/oai||actabiol@uem.br1807-863X1679-9283opendoar:2022-11-23T17:33:27Acta Scientiarum Biological Sciences - Universidade Estadual de Maringá (UEM)false |
dc.title.none.fl_str_mv |
Red blood cell parameters and osmotic fragility curve of Colossoma macropomum (Pisces, Osteichthyes, Mileinae) in captivity Parâmetros eritrocitários e curva de fragilidade osmótica de Colossoma macropomum (Pisces, Osteichthyes, Mileinae) em cativeiro |
title |
Red blood cell parameters and osmotic fragility curve of Colossoma macropomum (Pisces, Osteichthyes, Mileinae) in captivity |
spellingShingle |
Red blood cell parameters and osmotic fragility curve of Colossoma macropomum (Pisces, Osteichthyes, Mileinae) in captivity Seibert, Carla Simone eritrócitos curva de fragilidade osmótica peixes Colossoma macropomum 2.00.00.00-6 Ciências Biológicas |
title_short |
Red blood cell parameters and osmotic fragility curve of Colossoma macropomum (Pisces, Osteichthyes, Mileinae) in captivity |
title_full |
Red blood cell parameters and osmotic fragility curve of Colossoma macropomum (Pisces, Osteichthyes, Mileinae) in captivity |
title_fullStr |
Red blood cell parameters and osmotic fragility curve of Colossoma macropomum (Pisces, Osteichthyes, Mileinae) in captivity |
title_full_unstemmed |
Red blood cell parameters and osmotic fragility curve of Colossoma macropomum (Pisces, Osteichthyes, Mileinae) in captivity |
title_sort |
Red blood cell parameters and osmotic fragility curve of Colossoma macropomum (Pisces, Osteichthyes, Mileinae) in captivity |
author |
Seibert, Carla Simone |
author_facet |
Seibert, Carla Simone Shinnohara, Elvira Maria Guerra Carvalho, Elianora Gomes de Marques, Elineide Eugenio |
author_role |
author |
author2 |
Shinnohara, Elvira Maria Guerra Carvalho, Elianora Gomes de Marques, Elineide Eugenio |
author2_role |
author author author |
dc.contributor.author.fl_str_mv |
Seibert, Carla Simone Shinnohara, Elvira Maria Guerra Carvalho, Elianora Gomes de Marques, Elineide Eugenio |
dc.subject.por.fl_str_mv |
eritrócitos curva de fragilidade osmótica peixes Colossoma macropomum 2.00.00.00-6 Ciências Biológicas |
topic |
eritrócitos curva de fragilidade osmótica peixes Colossoma macropomum 2.00.00.00-6 Ciências Biológicas |
description |
In order to establish reference values for certain haematological parameters and osmotic fragility curve for the blood of Colossoma macropomum, blood samples were collected from 38 fish bred on farms in the state of Tocantins, Brazil. Red blood cell count, haemoglobin content and haematocrit were determined. Osmotic fragility curves were determined for 30 minutes under resting conditions at 30ºC, incubated curves at 37, 30 and 27ºC for 24 hours and incubated curves for 12 hours at 27ºC. The haematimetric values obtained were: red blood cell count= 1.58 ± 0.08 x1012/L; haemoglobin= 7.2 ± 0.32 g/dL; haematocrit= 34.0 ± 1.6%; MCV= 217.6 ± 13.2fL; MCH= 46.3 ± 2.6 pg and MCHC= 21.5 ± 1.4%. Osmotic fragility of fish erythrocytes was assessed according to haemolysis rate. Haemolysis began at 85.5 mM NaCl and total haemolysis occurred at 17 mM NaCl. Samples from incubated curve for 24 hours showed total haemolysis in all concentrations, regardless of temperature. In the samples from incubated curve at 27ºC for 12 hours initial haemolysis was observed at 154 mM and total haemolysis at 17 mM NaCl |
publishDate |
2008 |
dc.date.none.fl_str_mv |
2008-05-09 |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://www.periodicos.uem.br/ojs/index.php/ActaSciBiolSci/article/view/2709 10.4025/actascibiolsci.v23i0.2709 |
url |
http://www.periodicos.uem.br/ojs/index.php/ActaSciBiolSci/article/view/2709 |
identifier_str_mv |
10.4025/actascibiolsci.v23i0.2709 |
dc.language.iso.fl_str_mv |
por |
language |
por |
dc.relation.none.fl_str_mv |
http://www.periodicos.uem.br/ojs/index.php/ActaSciBiolSci/article/view/2709/2028 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
application/pdf |
dc.publisher.none.fl_str_mv |
Universidade Estadual De Maringá |
publisher.none.fl_str_mv |
Universidade Estadual De Maringá |
dc.source.none.fl_str_mv |
Acta Scientiarum. Biological Sciences; Vol 23 (2001); 515-520 Acta Scientiarum. Biological Sciences; v. 23 (2001); 515-520 1807-863X 1679-9283 reponame:Acta Scientiarum Biological Sciences instname:Universidade Estadual de Maringá (UEM) instacron:UEM |
instname_str |
Universidade Estadual de Maringá (UEM) |
instacron_str |
UEM |
institution |
UEM |
reponame_str |
Acta Scientiarum Biological Sciences |
collection |
Acta Scientiarum Biological Sciences |
repository.name.fl_str_mv |
Acta Scientiarum Biological Sciences - Universidade Estadual de Maringá (UEM) |
repository.mail.fl_str_mv |
||actabiol@uem.br |
_version_ |
1799317393492672512 |