| Issue |
Bull. Fr. Pêche Piscic.
Number 300, 1986
|
|
|---|---|---|
| Page(s) | 13 - 18 | |
| DOI | https://doi.org/10.1051/kmae:1986013 | |
| Published online | 01 August 2008 | |
Le sexage morphologique du saumon atlantique (Salmo salar)
Morphological identification of the sex of the Atlantic salmon (Salmo salar)
1
INRA - Laboratoire de Physiologie des Poissons - 35042 RENNES CEDEX (France)
2
INRA - Laboratoire d'Écologie Hydrobiologique - 35042 RENNES CEDEX (France)
Des Saumons atlantique de la rivière North Esk (Ecosse) ont été étudiés en juillet 1984. Cet échantillon, composé en majorité de castillons, a permis de mettre en évidence 2 dimorphismes sexuels: la longueur relative de la nageoire adipeuse et celle de la mâchoire supérieure. Seul ce dernier peut être utilisable en pratique avec moins de 10 % d'erreur.
Abstract
Atlantic salmon from the North Esk River (Scotland) have been studied in July 1984. This sample, in majority grilse, has permitted us to show 2 sexual dimorphisms : the relative length of the adipose fin and the one of the upper jaw bone. Only this last one can be used in practice with lessthan 10 % of error.
© ONEMA, 1986
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