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Boletim do Instituto de Pesca
Article . 2018
Data sources: DOAJ
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ANÁLISE MORFOLÓGICA DO DESENVOLVIMENTO OVOCITÁRIO DE PIRACANJUBA, Brycon orbignyanus, DURANTE O CICLO REPRODUTIVO

Authors: Luciana GANECO; Laura NAKAGHI; Elisabeth URBINATI; Redelvin DUMONT NETO; Lucia VASQUES;

ANÁLISE MORFOLÓGICA DO DESENVOLVIMENTO OVOCITÁRIO DE PIRACANJUBA, Brycon orbignyanus, DURANTE O CICLO REPRODUTIVO

Abstract

As alterações morfológicas dos ovários de piracanjuba, Brycon orbignyanus (Valenciennes, 1849), durante o ciclo reprodutivo foram estudadas. Exemplares adultos foram capturados a cada 2 meses, entre 1998 e 2000, e porções de seus ovários foram processadas para análise sob microscopia de luz. Observaram-se seis fases de células nos ovários de piracanjuba: Cromatina-nucléolo (fase I), Perinucleolar (fase II), Alvéolocortical (fase III), Vitelogênico (fase IV), Pós-vitelogênico (fase V) e Atrésico (fase VI). As alterações morfológicas nos ovários ocorreram de forma cí­­clica em 4 estádios de desenvolvimento: Repouso, Maturação Inicial, Maturação Avançada e Regressão, sendo os meses de dezembro a janeiro (final da primavera e iní­­cio do verão), a época indicada para práticas de reprodução induzida nesta espécie.

Keywords

morfologia, Aquaculture. Fisheries. Angling, Brycon orbignyanus, SH1-691, ovogênese, ovário, peixe

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
gold