REPRODUCTIVE PARAMETERS OF THE LEPORINUS PIAU FOWLER, 1941 (Osteichthyes, Anostomidae) FROM THE SÃO FRANCISCO RIVER BASIN, SUBMITTED TO INDUCED SPAWNING.

Detalhes bibliográficos
Autor(a) principal: Sampaio, Edson Vieira
Data de Publicação: 2009
Outros Autores: Sato, Yoshimi
Tipo de documento: Artigo
Idioma: por
Título da fonte: Ciência animal brasileira (Online)
Texto Completo: https://revistas.ufg.br/vet/article/view/4264
Resumo: Leporinus piau Fowler, 1941 is important as forage fish and in the fishing of the São Francisco River basin. Females of this species were induced to spawning by the application of two doses of crude carp pituitary extract (CCPE) (0.5 and 5 mg.kg-1 of CCPE, with an interval of 14 h between doses). The water temperature of the tanks was maintained between 25 and 26°C.  The oocytes extrusion occurred from 8 to 8.5 hours after second dose of CCPE. The females signal the timing of spawning and more than 71% responded positively to treatment releasing fertile eggs. Eggs of L. piau are free, demersal, round, opaque and gray-brownish. The gonadosomatic index average was 17.8% for mature females. The larvae hatched 21 h after fertilization of eggs, with water temperature maintained between 23 and 24 °C in the incubators.KEY WORDS: Fecundity, hypophysation, Leporinus piau, oocyte and larvae morphometry, São Francisco River, reproduction.
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spelling REPRODUCTIVE PARAMETERS OF THE LEPORINUS PIAU FOWLER, 1941 (Osteichthyes, Anostomidae) FROM THE SÃO FRANCISCO RIVER BASIN, SUBMITTED TO INDUCED SPAWNING.ASPECTOS REPRODUTIVOS DE Leporinus piau FOWLER, 1941 (OSTEICHTHYES, ANOSTOMIDAE) DA BACIA DO RIO SÃO FRANCISCO, SUBMETIDO À DESOVA INDUZIDAProdução de PeixesManejo e Conserv. de Recursos Pequeiros de Águas InterioresLeporinus piau Fowler, 1941 is important as forage fish and in the fishing of the São Francisco River basin. Females of this species were induced to spawning by the application of two doses of crude carp pituitary extract (CCPE) (0.5 and 5 mg.kg-1 of CCPE, with an interval of 14 h between doses). The water temperature of the tanks was maintained between 25 and 26°C.  The oocytes extrusion occurred from 8 to 8.5 hours after second dose of CCPE. The females signal the timing of spawning and more than 71% responded positively to treatment releasing fertile eggs. Eggs of L. piau are free, demersal, round, opaque and gray-brownish. The gonadosomatic index average was 17.8% for mature females. The larvae hatched 21 h after fertilization of eggs, with water temperature maintained between 23 and 24 °C in the incubators.KEY WORDS: Fecundity, hypophysation, Leporinus piau, oocyte and larvae morphometry, São Francisco River, reproduction.Leporinus piau Fowler, 1941, é importante como peixe forrageiro e na pesca da bacia do São Francisco. Fêmeas dessa espécie foram submetidas à desova induzida, mediante a aplicação de duas doses de extrato bruto de hipófise de carpa-comum (EBHC) (0,5 e 5 mg.kg-1 para cada fêmea, com intervalo de 14h). A extrusão dos ovócitos ocorreu de 8 a 8,5 h após a aplicação da segunda dose de EBHC com a temperatura da água entre 25 e 26°C. As fêmeas sinalizaram o momento da desova e mais de 71% responderam positivamente ao tratamento, com a liberação de ovócitos férteis. Os ovos de L. piau são livres, demersais, esféricos, opacos e de coloração cinza ou parda. O índice gonadossomático médio foi de 17,8% para fêmeas maduras. As larvas eclodiram 21 horas após a fertilização dos ovos, com a temperatura da água entre 23 e 24°C. PALAVRAS-CHAVES: Fecundidade, hipofisação, Leporinus piau, mofometria ovocitária e larval, reprodução, rio São Francisco. Universidade Federal de Goiás2009-04-02info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionAvaliado por paresPesquisa Científicaapplication/pdfhttps://revistas.ufg.br/vet/article/view/426410.5216/cab.v10i1.4264Brazilian Animal Science/ Ciência Animal Brasileira; Vol. 10 No. 1 (2009); 157-165Ciência Animal Brasileira / Brazilian Animal Science; v. 10 n. 1 (2009); 157-1651809-68911518-2797reponame:Ciência animal brasileira (Online)instname:Universidade Federal de Goiás (UFG)instacron:UFGporhttps://revistas.ufg.br/vet/article/view/4264/4582Sampaio, Edson VieiraSato, Yoshimiinfo:eu-repo/semantics/openAccess2013-11-06T22:53:08Zoai:ojs.revistas.ufg.br:article/4264Revistahttps://revistas.ufg.br/vetPUBhttps://revistas.ufg.br/vet/oai||revistacab@gmail.com1809-68911518-2797opendoar:2024-05-21T19:55:14.435435Ciência animal brasileira (Online) - Universidade Federal de Goiás (UFG)true
dc.title.none.fl_str_mv REPRODUCTIVE PARAMETERS OF THE LEPORINUS PIAU FOWLER, 1941 (Osteichthyes, Anostomidae) FROM THE SÃO FRANCISCO RIVER BASIN, SUBMITTED TO INDUCED SPAWNING.
ASPECTOS REPRODUTIVOS DE Leporinus piau FOWLER, 1941 (OSTEICHTHYES, ANOSTOMIDAE) DA BACIA DO RIO SÃO FRANCISCO, SUBMETIDO À DESOVA INDUZIDA
title REPRODUCTIVE PARAMETERS OF THE LEPORINUS PIAU FOWLER, 1941 (Osteichthyes, Anostomidae) FROM THE SÃO FRANCISCO RIVER BASIN, SUBMITTED TO INDUCED SPAWNING.
spellingShingle REPRODUCTIVE PARAMETERS OF THE LEPORINUS PIAU FOWLER, 1941 (Osteichthyes, Anostomidae) FROM THE SÃO FRANCISCO RIVER BASIN, SUBMITTED TO INDUCED SPAWNING.
Sampaio, Edson Vieira
Produção de Peixes
Manejo e Conserv. de Recursos Pequeiros de Águas Interiores
title_short REPRODUCTIVE PARAMETERS OF THE LEPORINUS PIAU FOWLER, 1941 (Osteichthyes, Anostomidae) FROM THE SÃO FRANCISCO RIVER BASIN, SUBMITTED TO INDUCED SPAWNING.
title_full REPRODUCTIVE PARAMETERS OF THE LEPORINUS PIAU FOWLER, 1941 (Osteichthyes, Anostomidae) FROM THE SÃO FRANCISCO RIVER BASIN, SUBMITTED TO INDUCED SPAWNING.
title_fullStr REPRODUCTIVE PARAMETERS OF THE LEPORINUS PIAU FOWLER, 1941 (Osteichthyes, Anostomidae) FROM THE SÃO FRANCISCO RIVER BASIN, SUBMITTED TO INDUCED SPAWNING.
title_full_unstemmed REPRODUCTIVE PARAMETERS OF THE LEPORINUS PIAU FOWLER, 1941 (Osteichthyes, Anostomidae) FROM THE SÃO FRANCISCO RIVER BASIN, SUBMITTED TO INDUCED SPAWNING.
title_sort REPRODUCTIVE PARAMETERS OF THE LEPORINUS PIAU FOWLER, 1941 (Osteichthyes, Anostomidae) FROM THE SÃO FRANCISCO RIVER BASIN, SUBMITTED TO INDUCED SPAWNING.
author Sampaio, Edson Vieira
author_facet Sampaio, Edson Vieira
Sato, Yoshimi
author_role author
author2 Sato, Yoshimi
author2_role author
dc.contributor.author.fl_str_mv Sampaio, Edson Vieira
Sato, Yoshimi
dc.subject.por.fl_str_mv Produção de Peixes
Manejo e Conserv. de Recursos Pequeiros de Águas Interiores
topic Produção de Peixes
Manejo e Conserv. de Recursos Pequeiros de Águas Interiores
description Leporinus piau Fowler, 1941 is important as forage fish and in the fishing of the São Francisco River basin. Females of this species were induced to spawning by the application of two doses of crude carp pituitary extract (CCPE) (0.5 and 5 mg.kg-1 of CCPE, with an interval of 14 h between doses). The water temperature of the tanks was maintained between 25 and 26°C.  The oocytes extrusion occurred from 8 to 8.5 hours after second dose of CCPE. The females signal the timing of spawning and more than 71% responded positively to treatment releasing fertile eggs. Eggs of L. piau are free, demersal, round, opaque and gray-brownish. The gonadosomatic index average was 17.8% for mature females. The larvae hatched 21 h after fertilization of eggs, with water temperature maintained between 23 and 24 °C in the incubators.KEY WORDS: Fecundity, hypophysation, Leporinus piau, oocyte and larvae morphometry, São Francisco River, reproduction.
publishDate 2009
dc.date.none.fl_str_mv 2009-04-02
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
Avaliado por pares
Pesquisa Científica
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv https://revistas.ufg.br/vet/article/view/4264
10.5216/cab.v10i1.4264
url https://revistas.ufg.br/vet/article/view/4264
identifier_str_mv 10.5216/cab.v10i1.4264
dc.language.iso.fl_str_mv por
language por
dc.relation.none.fl_str_mv https://revistas.ufg.br/vet/article/view/4264/4582
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 Federal de Goiás
publisher.none.fl_str_mv Universidade Federal de Goiás
dc.source.none.fl_str_mv Brazilian Animal Science/ Ciência Animal Brasileira; Vol. 10 No. 1 (2009); 157-165
Ciência Animal Brasileira / Brazilian Animal Science; v. 10 n. 1 (2009); 157-165
1809-6891
1518-2797
reponame:Ciência animal brasileira (Online)
instname:Universidade Federal de Goiás (UFG)
instacron:UFG
instname_str Universidade Federal de Goiás (UFG)
instacron_str UFG
institution UFG
reponame_str Ciência animal brasileira (Online)
collection Ciência animal brasileira (Online)
repository.name.fl_str_mv Ciência animal brasileira (Online) - Universidade Federal de Goiás (UFG)
repository.mail.fl_str_mv ||revistacab@gmail.com
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