Issue |
Aquat. Living Resour.
Volume 1, Number 4, October-December 1988
|
|
---|---|---|
Page(s) | 215 - 222 | |
DOI | https://doi.org/10.1051/alr:1988021 | |
Published online | 15 October 1988 |
Sea bass (Dicentrarchus labrax) reproduction in captivity: gametogenesis and spawning
La reproduction du bar (Dicentrarchus labrax) en captivité : gamétogenèse et ponte
1
IFREMER, Centre de Brest, BP n° 70, 29263 Plouzané, France
2
IFREMER, Chemin de Maguelone, 34250 Palavas-les-Flots, France
Received:
18
July
1988
Accepted:
24
October
1988
This paper describes the large-scale production of eggs and larvae of sea bass (Dicentrarchus labrax) and shows how spawning can be planned to produce viable eggs throughout the year by manipulation of photoperiod and temperature. The rearing temperature was 9.5-22 °C during spawning and 9-24 °C during the gametogenesis. The photoperiodic cycles tested were normal (i. e. the photoperiodic cycle observed at Palavas-les-Flots, mediterranean coast, France, 1984/1987) advanced by 3 to 5 months and delayed by 2 months.
Résumé
La production à grande échelle d'œufs et larves de bar (Dicentrarchus labrax) peut être planifiée à quelque moment de l'année que ce soit, en manipulant la photopériode et la température. Pour la ponte, la température doit être maintenue entre 9 et 22 °C. Elle doit être inférieure à 26 °C pendant la gamétogenèse. Trois cycles photopériodiques ont été testés : un cycle avancé de 3 à 5 mois, un cycle retardé de 2 mois, et le cycle normal observé dans la région de Palavas-les-Flots, France, 1984/1987.
Key words: Sea Bass / Dicentrarchus labrax / spawning / reproduction / aquaculture
Mots clés : Bar / Dicentrarchus labrax / ponte / reproduction / aquaculture
© IFREMER-Gauthier-Villars, 1988
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