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dc.contributor.author
Rodrigues, Karina Andrea
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dc.contributor.author
Leonarduzzi, Ezequiel
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dc.contributor.author
Macchi, Gustavo Javier
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dc.contributor.author
Militelli, Maria Ines
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dc.date.available
2019-02-18T19:22:19Z
dc.date.issued
2018-01
dc.identifier.citation
Rodrigues, Karina Andrea; Leonarduzzi, Ezequiel; Macchi, Gustavo Javier; Militelli, Maria Ines; Maternal condition, fecundity and oocyte quality of Argentine hake (Merluccius hubbsi) from the Northern stock; Elsevier Science; Fisheries Research; 197; 1-2018; 105-112
dc.identifier.issn
0165-7836
dc.identifier.uri
http://hdl.handle.net/11336/70382
dc.description.abstract
The influence of the condition of spawning females on fecundity and oocyte quality, measured using morpho-physiological and biochemical indices, was analyzed for the Northern stock of Argentine hake (Merluccius hubbsi). First the relationships between morpho-physiological and biochemical indices were analyzed, and if they were influenced by female size. Samples of spawning-capable females were collected during the main reproductive peak of this stock in May 2011. The hepatosomatic index (HSI) in M. hubbsi was a good indicator of lipid concentration for both the liver and muscle. HSI and the relative condition factor (Kn) were independent of female size. Muscle protein content was positively associated with maternal attributes. Relative fecundity ranged between 287 and 916 hydrated oocytes g−1 and showed significant positive relationships with GSI and Kn. The dry weight of hydrated oocytes (n = 100) ranged between 2.65 and 4 mg and was positively related with the HSI. The oil droplet diameter of hydrated oocytes varied between 250 and 292 μm and was also positively related with HSI, Kn, liver and muscle lipid content, suggesting that it could be a good indicator of the nutritional condition for hake females of the Northern spawning stock.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Elsevier Science
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dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Argentine Hake
dc.subject
Biochemical Indices
dc.subject
Fecundity
dc.subject
Morpho-Physiological Indices
dc.subject
Oocyte Quality
dc.subject.classification
Otras Ciencias Biológicas
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dc.subject.classification
Ciencias Biológicas
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dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
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dc.title
Maternal condition, fecundity and oocyte quality of Argentine hake (Merluccius hubbsi) from the Northern stock
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2019-02-12T17:01:50Z
dc.journal.volume
197
dc.journal.pagination
105-112
dc.journal.pais
Países Bajos
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dc.journal.ciudad
Amsterdam
dc.description.fil
Fil: Rodrigues, Karina Andrea. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Instituto Nacional de Investigaciones y Desarrollo Pesquero; Argentina
dc.description.fil
Fil: Leonarduzzi, Ezequiel. Instituto Nacional de Investigaciones y Desarrollo Pesquero; Argentina
dc.description.fil
Fil: Macchi, Gustavo Javier. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Instituto Nacional de Investigaciones y Desarrollo Pesquero; Argentina
dc.description.fil
Fil: Militelli, Maria Ines. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Instituto Nacional de Investigaciones y Desarrollo Pesquero; Argentina
dc.journal.title
Fisheries Research
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S0165783617302539
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/https://doi.org/10.1016/j.fishres.2017.09.005
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