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Etudes histologiques et ultrastructurales des lésions de parasitose hémocytaire chez O. edulis
Poder, M.; Cahour, A.; Balouet, G. (1982). Etudes histologiques et ultrastructurales des lésions de parasitose hémocytaire chez O. edulis, in: Comptes rendus du 107e Congrès national des sociétés savantes, Brest, 1982, Sciences II. pp. 175-186
In: (1982). Comptes rendus du 107e Congrès national des sociétés savantes, Brest, 1982, Sciences II. Ministère de l'éducation nationale: Paris, more

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Keywords
    Introduced species; Oyster culture; Bonamia ostreae Pichot, Comps, Tigé, Grizel & Rabouin, 1980 [WoRMS]; Ostrea edulis Linnaeus, 1758 [WoRMS]; ANE, France, Brittany [Marine Regions]; Marine

Authors  Top 
  • Poder, M.
  • Cahour, A.
  • Balouet, G.

Abstract
    Since its first observation in France (Brittany) in 1979, a small protozoan has rapidly spread over European oyster stocks in most breton farming areas and in some foreign countries. It’s now associated with important mortalities. Recently, this parasite has been labeled Bonamia ostreae g.n., sp.n. In this paper, we mean to point out the specificity and the pathological aspects of the intra-hemocytic location of the parasite, and to give the results of experimental contaminations: it has been possible to demonstrate the direct transmission of the disease from infected oysters to healthy ones without the need of any other host and parasitic stage, and also the activity and pathogenic power of the parasite which can be enhanced by stress conditions.

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