. Parasites in gills of farmed Brycon amazonicus (Characidae, Bryconinae) in stream channels of Turumã-Mirim, Amazonas State, Brazil
Autor(a) principal: | |
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Data de Publicação: | 2007 |
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/593 |
Resumo: | The purpose of the present study was to determine the prevalence and intensity of parasites in the gills as well as the condition factor of farmed Brycon amazonicus (Spix e Agassiz, 1829) from three stream channels in Tarumã-Mirim, Manaus, Amazonas State. Sanitary conditions of stream channels, fish handling, and water physiochemical parameters were monitored. From the 150 examined fish, 25.0% were contaminated by protozoan Ichthyophthirius multifiliis (18,0%) and by leeches Placobdella sp. (7.0%). The prevalence of I. multifiliis in the stream channels was of 22.0%, 18.0% and 14.0%, respectively, and the average intensity was high only in the stream channel that maintained fish in high population density. The leeches Placobdella sp. were found only in one stream channel. There was no seasonal variation in the infection by I. multifiliis; however Placobdella sp. infected the hosts only in January and March. Condition factor of parasitized fish was significantly lower (p < 0.001) than on unparasitized fish, but, it was not correlated with the parasites intensity. |
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. Parasites in gills of farmed Brycon amazonicus (Characidae, Bryconinae) in stream channels of Turumã-Mirim, Amazonas State, BrazilParasitos nas brânquias de Brycon amazonicus (Characidae, Bryconinae) cultivados em canais de igarapé do Turumã-Mirim, Estado do Amazonas, Brasil - DOI: 10.4025/actascibiolsci.v29i2.593AmazôniabrânquiasdoençasIchthyophthirius multifiliisparasitospeixe de água doceThe purpose of the present study was to determine the prevalence and intensity of parasites in the gills as well as the condition factor of farmed Brycon amazonicus (Spix e Agassiz, 1829) from three stream channels in Tarumã-Mirim, Manaus, Amazonas State. Sanitary conditions of stream channels, fish handling, and water physiochemical parameters were monitored. From the 150 examined fish, 25.0% were contaminated by protozoan Ichthyophthirius multifiliis (18,0%) and by leeches Placobdella sp. (7.0%). The prevalence of I. multifiliis in the stream channels was of 22.0%, 18.0% and 14.0%, respectively, and the average intensity was high only in the stream channel that maintained fish in high population density. The leeches Placobdella sp. were found only in one stream channel. There was no seasonal variation in the infection by I. multifiliis; however Placobdella sp. infected the hosts only in January and March. Condition factor of parasitized fish was significantly lower (p < 0.001) than on unparasitized fish, but, it was not correlated with the parasites intensity.O presente estudo teve como objetivo determinar a prevalência e a intensidade de parasitos nas brânquias, bem como o fator de condição em matrinxã Brycon amazonicus Spix e Agassiz (1829) cultivados em três canais de igarapé da região do Tarumã-Mirim, Manaus, Estado do Amazonas. As condições sanitárias dos canais de igarapé, o manejo dos peixes e os parâmetros físico-químicos da água foram monitorados. De 150 peixes examinados, 25,0% estavam parasitados pelo protozoário Ichthyophthirius multifiliis (18,0%) e por sanguessungas Placobdella sp. (7,0%). A prevalência de I. multifiliis, nos três canais de igarapé, foi de 22,0%, 18,0% e 14,0%, respectivamente, e a intensidade média foi maior em um dos canais que mantinha peixes em grande densidade populacional. As sanguessugas Placobdella sp. ocorreram somente em um dos canais de igarapé. Não houve variação sazonal na infecção de I. multifiliis, mas Placobdella sp. ocorreu somente em janeiro e março. O fator de condição dos peixes parasitados foi significativamente (p < 0,001) menor que nos peixes não-parasitados, porém este não mostrou correlação com a intensidade parasitária.Universidade Estadual De Maringá2007-12-17info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttp://www.periodicos.uem.br/ojs/index.php/ActaSciBiolSci/article/view/59310.4025/actascibiolsci.v29i2.593Acta Scientiarum. Biological Sciences; Vol 29 No 2 (2007); 217-222Acta Scientiarum. Biological Sciences; v. 29 n. 2 (2007); 217-2221807-863X1679-9283reponame:Acta Scientiarum Biological Sciencesinstname:Universidade Estadual de Maringá (UEM)instacron:UEMporhttp://www.periodicos.uem.br/ojs/index.php/ActaSciBiolSci/article/view/593/329Lemos, Jefferson Raphael GonzagaDias, Marcos TavaresSales, Rejane Souza de AquinoFilho, Gabriel da Rocha NobreFim, Jorge Daniel Indrusiakinfo:eu-repo/semantics/openAccess2022-11-23T17:32:59Zoai:periodicos.uem.br/ojs:article/593Revistahttp://www.periodicos.uem.br/ojs/index.php/ActaSciBiolSciPUBhttp://www.periodicos.uem.br/ojs/index.php/ActaSciBiolSci/oai||actabiol@uem.br1807-863X1679-9283opendoar:2022-11-23T17:32:59Acta Scientiarum Biological Sciences - Universidade Estadual de Maringá (UEM)false |
dc.title.none.fl_str_mv |
. Parasites in gills of farmed Brycon amazonicus (Characidae, Bryconinae) in stream channels of Turumã-Mirim, Amazonas State, Brazil Parasitos nas brânquias de Brycon amazonicus (Characidae, Bryconinae) cultivados em canais de igarapé do Turumã-Mirim, Estado do Amazonas, Brasil - DOI: 10.4025/actascibiolsci.v29i2.593 |
title |
. Parasites in gills of farmed Brycon amazonicus (Characidae, Bryconinae) in stream channels of Turumã-Mirim, Amazonas State, Brazil |
spellingShingle |
. Parasites in gills of farmed Brycon amazonicus (Characidae, Bryconinae) in stream channels of Turumã-Mirim, Amazonas State, Brazil Lemos, Jefferson Raphael Gonzaga Amazônia brânquias doenças Ichthyophthirius multifiliis parasitos peixe de água doce |
title_short |
. Parasites in gills of farmed Brycon amazonicus (Characidae, Bryconinae) in stream channels of Turumã-Mirim, Amazonas State, Brazil |
title_full |
. Parasites in gills of farmed Brycon amazonicus (Characidae, Bryconinae) in stream channels of Turumã-Mirim, Amazonas State, Brazil |
title_fullStr |
. Parasites in gills of farmed Brycon amazonicus (Characidae, Bryconinae) in stream channels of Turumã-Mirim, Amazonas State, Brazil |
title_full_unstemmed |
. Parasites in gills of farmed Brycon amazonicus (Characidae, Bryconinae) in stream channels of Turumã-Mirim, Amazonas State, Brazil |
title_sort |
. Parasites in gills of farmed Brycon amazonicus (Characidae, Bryconinae) in stream channels of Turumã-Mirim, Amazonas State, Brazil |
author |
Lemos, Jefferson Raphael Gonzaga |
author_facet |
Lemos, Jefferson Raphael Gonzaga Dias, Marcos Tavares Sales, Rejane Souza de Aquino Filho, Gabriel da Rocha Nobre Fim, Jorge Daniel Indrusiak |
author_role |
author |
author2 |
Dias, Marcos Tavares Sales, Rejane Souza de Aquino Filho, Gabriel da Rocha Nobre Fim, Jorge Daniel Indrusiak |
author2_role |
author author author author |
dc.contributor.author.fl_str_mv |
Lemos, Jefferson Raphael Gonzaga Dias, Marcos Tavares Sales, Rejane Souza de Aquino Filho, Gabriel da Rocha Nobre Fim, Jorge Daniel Indrusiak |
dc.subject.por.fl_str_mv |
Amazônia brânquias doenças Ichthyophthirius multifiliis parasitos peixe de água doce |
topic |
Amazônia brânquias doenças Ichthyophthirius multifiliis parasitos peixe de água doce |
description |
The purpose of the present study was to determine the prevalence and intensity of parasites in the gills as well as the condition factor of farmed Brycon amazonicus (Spix e Agassiz, 1829) from three stream channels in Tarumã-Mirim, Manaus, Amazonas State. Sanitary conditions of stream channels, fish handling, and water physiochemical parameters were monitored. From the 150 examined fish, 25.0% were contaminated by protozoan Ichthyophthirius multifiliis (18,0%) and by leeches Placobdella sp. (7.0%). The prevalence of I. multifiliis in the stream channels was of 22.0%, 18.0% and 14.0%, respectively, and the average intensity was high only in the stream channel that maintained fish in high population density. The leeches Placobdella sp. were found only in one stream channel. There was no seasonal variation in the infection by I. multifiliis; however Placobdella sp. infected the hosts only in January and March. Condition factor of parasitized fish was significantly lower (p < 0.001) than on unparasitized fish, but, it was not correlated with the parasites intensity. |
publishDate |
2007 |
dc.date.none.fl_str_mv |
2007-12-17 |
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/593 10.4025/actascibiolsci.v29i2.593 |
url |
http://www.periodicos.uem.br/ojs/index.php/ActaSciBiolSci/article/view/593 |
identifier_str_mv |
10.4025/actascibiolsci.v29i2.593 |
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/593/329 |
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 29 No 2 (2007); 217-222 Acta Scientiarum. Biological Sciences; v. 29 n. 2 (2007); 217-222 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 |
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1799317391591604224 |