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Critères histologiques d'évaluation de la qualité des ovocytes émis par Pecten maximus (mollusque bivalve)
Titre alternatif
Producteur
Contributeur(s)
Éditeur(s)
Elsevier France-editions Scientifiques Medicales Elsevier
Identifiant documentaire
9-27978
Identifiant OAI
oai:archimer.ifremer.fr:27978
Auteur(s):
Dorange, Germaine,Paulet, Yves-marie,Le Pennec, Marcel,Cochard, Jean-claude
Mots clés
Date de publication
01/06/1989
Date de création
Date de modification
Date d'acceptation du document
Date de dépôt légal
Langue
fre
Thème
Type de ressource
Source
Comptes Rendus De L Academie Des Sciences Serie Iii-sciences De La Vie-life Sciences (0764-4469) (Elsevier France-editions Scientifiques Medicales Elsevier), 1989-06 , Vol. 309 , N. 4 , P. 113-120
Droits de réutilisation
Académie des Sciences
Région
Département
Commune
Description
Structural studies were conducted on spawned oocytes of Pecten maximus in order to reveal some characteristics related to their quality. Depending on their ultrastructural configuration three types of oocytes were considered: oocytes of normal appearance, immature and atretic surmature. Histological examination shows a strong variability in lipid content inside and between spawnings which has been quantified by image analysis. A lipid index was defined. 65% of 40 spawings can be regarded as homogeneous. H atching success is partly explained by the quantity of lipids in the gametes. The presence of abnormal larvae after 2 days can be related to the low values of the lipid index.
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