Effect of photoperiod on ovarian maturation in <i>Cheirodon interruptus</i> (Teleostei: Characidae)
- Autores
- García, Ignacio Daniel; Plaul, Silvia Elena; Torres, D.; Del Fresno, P. S.; Miranda, L. D.; Colautti, Darío César
- Año de publicación
- 2019
- Idioma
- inglés
- Tipo de recurso
- artículo
- Estado
- versión publicada
- Descripción
- Cheirodon interruptus is a ubiquitous small characid that inhabits the Pampean region and commonly used as bait. Its vast market is supplied from the wild population causing a significant environmental impact. In this study, we assess the effect of photoperiod on ovarian maturation in order to evaluate its potential as a tool to manipulate reproduction under artificial conditions. Four treatments in triplicate (light: dark, L: D) were tested: 24L: 0D, 12L: 12D, 0L: 24D and a progressive photoperiod corresponding to the daily photoperiod increments in wild during winter-spring transition, accelerated three times. The experiment was conducted for 45 days. Gonadosomatic index (GSI), oocyte mean diameter, vitellogenic oocyte proportions, plasma estradiol concentrations (E2), condition factor (Kn) and standard length were estimated. Values of mean GSI, oocyte diameter, vitellogenic oocyte proportions and E2 concentration were maximum in the progressive treatment indicating vitellogenesis stimulation. In turn the same parameters were minimum in the 24L: 0D, revealing the vitellogenesis inhibition. This study showed that photoperiodic regime play an important role in the onset of ovarian maturation in C. interruptus.
Instituto de Limnología "Dr. Raúl A. Ringuelet"
Facultad de Ciencias Veterinarias - Materia
-
Ciencias Naturales
photoperiod
gonadal maturation
vitellogenesis
Characiforms - Nivel de accesibilidad
- acceso abierto
- Condiciones de uso
- http://creativecommons.org/licenses/by-nc-sa/4.0/
- Repositorio
- Institución
- Universidad Nacional de La Plata
- OAI Identificador
- oai:sedici.unlp.edu.ar:10915/106689
Ver los metadatos del registro completo
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Effect of photoperiod on ovarian maturation in <i>Cheirodon interruptus</i> (Teleostei: Characidae)García, Ignacio DanielPlaul, Silvia ElenaTorres, D.Del Fresno, P. S.Miranda, L. D.Colautti, Darío CésarCiencias Naturalesphotoperiodgonadal maturationvitellogenesisCharaciformsCheirodon interruptus is a ubiquitous small characid that inhabits the Pampean region and commonly used as bait. Its vast market is supplied from the wild population causing a significant environmental impact. In this study, we assess the effect of photoperiod on ovarian maturation in order to evaluate its potential as a tool to manipulate reproduction under artificial conditions. Four treatments in triplicate (light: dark, L: D) were tested: 24L: 0D, 12L: 12D, 0L: 24D and a progressive photoperiod corresponding to the daily photoperiod increments in wild during winter-spring transition, accelerated three times. The experiment was conducted for 45 days. Gonadosomatic index (GSI), oocyte mean diameter, vitellogenic oocyte proportions, plasma estradiol concentrations (E2), condition factor (Kn) and standard length were estimated. Values of mean GSI, oocyte diameter, vitellogenic oocyte proportions and E2 concentration were maximum in the progressive treatment indicating vitellogenesis stimulation. In turn the same parameters were minimum in the 24L: 0D, revealing the vitellogenesis inhibition. This study showed that photoperiodic regime play an important role in the onset of ovarian maturation in C. interruptus.Instituto de Limnología "Dr. Raúl A. Ringuelet"Facultad de Ciencias Veterinarias2019info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionArticulohttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdf669-677http://sedici.unlp.edu.ar/handle/10915/106689enginfo:eu-repo/semantics/altIdentifier/issn/1678-4375info:eu-repo/semantics/altIdentifier/doi/10.1590/1519-6984.188607info:eu-repo/semantics/openAccesshttp://creativecommons.org/licenses/by-nc-sa/4.0/Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)reponame:SEDICI (UNLP)instname:Universidad Nacional de La Platainstacron:UNLP2025-09-29T11:23:57Zoai:sedici.unlp.edu.ar:10915/106689Institucionalhttp://sedici.unlp.edu.ar/Universidad públicaNo correspondehttp://sedici.unlp.edu.ar/oai/snrdalira@sedici.unlp.edu.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:13292025-09-29 11:23:57.833SEDICI (UNLP) - Universidad Nacional de La Platafalse |
dc.title.none.fl_str_mv |
Effect of photoperiod on ovarian maturation in <i>Cheirodon interruptus</i> (Teleostei: Characidae) |
title |
Effect of photoperiod on ovarian maturation in <i>Cheirodon interruptus</i> (Teleostei: Characidae) |
spellingShingle |
Effect of photoperiod on ovarian maturation in <i>Cheirodon interruptus</i> (Teleostei: Characidae) García, Ignacio Daniel Ciencias Naturales photoperiod gonadal maturation vitellogenesis Characiforms |
title_short |
Effect of photoperiod on ovarian maturation in <i>Cheirodon interruptus</i> (Teleostei: Characidae) |
title_full |
Effect of photoperiod on ovarian maturation in <i>Cheirodon interruptus</i> (Teleostei: Characidae) |
title_fullStr |
Effect of photoperiod on ovarian maturation in <i>Cheirodon interruptus</i> (Teleostei: Characidae) |
title_full_unstemmed |
Effect of photoperiod on ovarian maturation in <i>Cheirodon interruptus</i> (Teleostei: Characidae) |
title_sort |
Effect of photoperiod on ovarian maturation in <i>Cheirodon interruptus</i> (Teleostei: Characidae) |
dc.creator.none.fl_str_mv |
García, Ignacio Daniel Plaul, Silvia Elena Torres, D. Del Fresno, P. S. Miranda, L. D. Colautti, Darío César |
author |
García, Ignacio Daniel |
author_facet |
García, Ignacio Daniel Plaul, Silvia Elena Torres, D. Del Fresno, P. S. Miranda, L. D. Colautti, Darío César |
author_role |
author |
author2 |
Plaul, Silvia Elena Torres, D. Del Fresno, P. S. Miranda, L. D. Colautti, Darío César |
author2_role |
author author author author author |
dc.subject.none.fl_str_mv |
Ciencias Naturales photoperiod gonadal maturation vitellogenesis Characiforms |
topic |
Ciencias Naturales photoperiod gonadal maturation vitellogenesis Characiforms |
dc.description.none.fl_txt_mv |
Cheirodon interruptus is a ubiquitous small characid that inhabits the Pampean region and commonly used as bait. Its vast market is supplied from the wild population causing a significant environmental impact. In this study, we assess the effect of photoperiod on ovarian maturation in order to evaluate its potential as a tool to manipulate reproduction under artificial conditions. Four treatments in triplicate (light: dark, L: D) were tested: 24L: 0D, 12L: 12D, 0L: 24D and a progressive photoperiod corresponding to the daily photoperiod increments in wild during winter-spring transition, accelerated three times. The experiment was conducted for 45 days. Gonadosomatic index (GSI), oocyte mean diameter, vitellogenic oocyte proportions, plasma estradiol concentrations (E2), condition factor (Kn) and standard length were estimated. Values of mean GSI, oocyte diameter, vitellogenic oocyte proportions and E2 concentration were maximum in the progressive treatment indicating vitellogenesis stimulation. In turn the same parameters were minimum in the 24L: 0D, revealing the vitellogenesis inhibition. This study showed that photoperiodic regime play an important role in the onset of ovarian maturation in C. interruptus. Instituto de Limnología "Dr. Raúl A. Ringuelet" Facultad de Ciencias Veterinarias |
description |
Cheirodon interruptus is a ubiquitous small characid that inhabits the Pampean region and commonly used as bait. Its vast market is supplied from the wild population causing a significant environmental impact. In this study, we assess the effect of photoperiod on ovarian maturation in order to evaluate its potential as a tool to manipulate reproduction under artificial conditions. Four treatments in triplicate (light: dark, L: D) were tested: 24L: 0D, 12L: 12D, 0L: 24D and a progressive photoperiod corresponding to the daily photoperiod increments in wild during winter-spring transition, accelerated three times. The experiment was conducted for 45 days. Gonadosomatic index (GSI), oocyte mean diameter, vitellogenic oocyte proportions, plasma estradiol concentrations (E2), condition factor (Kn) and standard length were estimated. Values of mean GSI, oocyte diameter, vitellogenic oocyte proportions and E2 concentration were maximum in the progressive treatment indicating vitellogenesis stimulation. In turn the same parameters were minimum in the 24L: 0D, revealing the vitellogenesis inhibition. This study showed that photoperiodic regime play an important role in the onset of ovarian maturation in C. interruptus. |
publishDate |
2019 |
dc.date.none.fl_str_mv |
2019 |
dc.type.none.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Articulo http://purl.org/coar/resource_type/c_6501 info:ar-repo/semantics/articulo |
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article |
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publishedVersion |
dc.identifier.none.fl_str_mv |
http://sedici.unlp.edu.ar/handle/10915/106689 |
url |
http://sedici.unlp.edu.ar/handle/10915/106689 |
dc.language.none.fl_str_mv |
eng |
language |
eng |
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info:eu-repo/semantics/altIdentifier/issn/1678-4375 info:eu-repo/semantics/altIdentifier/doi/10.1590/1519-6984.188607 |
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openAccess |
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http://creativecommons.org/licenses/by-nc-sa/4.0/ Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0) |
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