Consulta: creatorFacets:"Sarano, F"
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Cycle ovarien du merlu, Merluccius merluccius , poisson a ponte fractionnee.
Provedor de dados: 5
Autores: Sarano, F.
The present work analyses and describes Merluccius merluccius ovarian cycle in the Bay of Biscay as an example of partial spawner. Three methods were employed: a macroscopic examination of about 10,000 ovaries -- a cytologic and histologic study -- an investigation of the size structure of the oocytes population of 63 ovaries. The author developed an original mathematical method for serial spawning demonstration. He demonstrates that hake is a partial spawner: a female usually rapidly spawns 4 or 5 times without ovaries rest. On this basis, he gives a new reference scale of the maturity stages of the ovarian cycle: after developing (II), ripe (III), running (IV), the partly spent ovary is named (II+); the repetitive sequence III-IV-II + characterize serial...
Tipo: Text
Palavras-chave: Pisces; Animal reproductive organs; Spawning; Ovaries; Sexual reproduction.
Ano: 1984
URL: http://archimer.ifremer.fr/doc/1984/publication-1790.pdf