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LA MALADIE DES ANNEAUX BRUNS CHEZ LE MOLLUSQUE
TAPES DECUSSATUS (L.) CULTIVE SUR LE LITTORAL ROUMAIN


Elena Dumitrescu, A. Telembici

Institute Roumain de Recherches Marines Constanta

Abstract
In this paper, we have noticed the presence of the "brown ring 
disease" at the mollusc Tapes decussatus (Linnaeus), which has been
imported from France and it is now under a breeding experiment at 
the Romanian Black Sea littoral. The disease appeared in the spring
of 1994, at a water temperature of 7-8 degree C, in a group of
molluscs in an external pool for experimental breeding. The recorded 
mortalities have exceeded 80%. The preliminary results we have got
after a strptomycin treatment indicate that disease can be cured.
Key words: molluscs, disease, mortalities, treatment, vibrio