Aquat. Living Resour.
Volume 10, Number 4, July-August 1997
|Page(s)||247 - 250|
|Published online||15 July 1997|
Teneur en ADN de la larve de Dicentrarchus labrax : évolution ontogénétique et effet de la privation de nourriture
Relative DNA content of larval sea bass Dicentrarchus labrax: ontogenetic changes and effect of starvation
Laboratoire Écologie Halieutique, Direction des
Ressources Vivantes, IFREMER, Centre de Nantes, BP 21105, F-44311
Nantes cedex 03, France; E-mail: Jean.Pierre.Bergeron@ifremer.fr
2 Laboratoire Physiologie des Poissons, Direction des Ressources Vivantes, IFREMER, Centre de Brest, BP 70, F-29280 Plouzané, France
Accepté : 1 Avril 1997
Sea bass Dicentrurchus labrax larvae were hatched and reared for 34 days in the laboratory to test a recent biochemical index (DNA/C) of larval fish nutritional condition. Variations in DNA/C ratio values were monitored during the whole larval ontogenesis of fed individuals and the effect of starvation was assessed at three developmental stages. Three main periods in the relative DNA content variations were determined in close connection with growth patterns during larval ontogenesis.
Key words: Dicentrarchus labrax / DNA / C / nutritional condition / starvation / growth / biochemical index
© IFREMER-Gauthier-Villars, 1997
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