Techniques de reproduction contrôlée des mollusques bivalves pour les élevages extensifs ou le repeuplement : rôle des écloseries-nurseries

The early life stages of the growth of bivalve molluscs being now controlled, at least for oysters and clams, it is possible to obtain seeds in large amounts and at given times. Reproduction may be obtained at any period of the year and the survival rates range from 5 to 50 % these values being considerable compared to those of natural reproduction in the sea. However the cost of the spat increases very sharply with size because of energy input (heating, pumping and phytoplancton production).

Auteurs du document :

Le Borgne, Y

Obtenir le document :

Publ. CNEXO (France) (Actes Colloq.)(no. 12)

Mots clés :

Histoire Ifremer

Thème (issu du Text Mining) :

MILIEU NATUREL, FAUNE, INFORMATION - INFORMATIQUE

Date :

1979-05

Format :

text/xml