Growth and mortality of the European oyster Ostrea edulis in the Bay of Arcachon (France)

Other titles Croissance et mortalité de l'huître plate Ostrea edulis dans le Bassin d'Arcachon (France)
Type Article
Date 1991
Language English
Author(s) Robert RenéORCID, Borel Michel, Pichot Yves, Trut Gilles
Source Aquatic Living Resources (0990-7440) (EDP Sciences), 1991 , Vol. 4 , P. 265-274
Mot-Clé(s) Ostrea edulis, Pathologie, Mortalité, Croissance, Reproduction, Composition biochimique, Bassin Arcachon
Keyword(s) Ostrea edulis, Pathology, Mortality, Growth, Reproduction, Gross biochemical composition, Bay of Arcachon
Abstract A study of the growth and mortality of the European oyster Ostrea edulis , including the effects of Marteilia refringens and Bonamia ostreae , was carried out in three oceanic areas in the Bay of Arcachon from May 1989 to February 1991. One-year-old spat, free from disease were used for the trials. Six months after beginning the trials, Marteilia refringens had severely infested the cultures. Although Bonamia ostreae was found during the first year, the rate of infestation was low. In the second year bonamiasis increased and high mortality (> 60%) occurred in Ostrea edulis populations. Although the growth of the oysters was good, their condition index was generally poor. Moreover, shell perforations by Polydora sp. were observed. The influence of different rearing procedures on Ostrea edulis survival and development in four commercial batches of oysters, free of disease, was also studied.
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Robert René, Borel Michel, Pichot Yves, Trut Gilles (1991). Growth and mortality of the European oyster Ostrea edulis in the Bay of Arcachon (France). Aquatic Living Resources, 4, 265-274. Open Access version : https://archimer.ifremer.fr/doc/00015/12600/