engleski

Marteiliosis in mussels (Mytilus galloprovincialis) as a potential hazard in croatian shellfish production

As a Mediterranean country Croatia has a millennium-old tradition of shellfish farming. Domestic oyster (Ostrea edulis) and mussel (Mytilus galloprovincialis) are traditionally cultivated in several places along the Adriatic coast, especially Malostonski bay and Limski bay. Global shellfish industry has been affected by various very serious epizootic questioning profitability of further production (Berthe, 1998). One of the most important is marteiliosis caused by protistan parasites of the phyllum Paramyxea, genus Marteilia. ). However, Marteilia species were observed in a variety of hosts including oyster (O. edulis), european (M. galloprovincialis) and atlantic mussel (M. galloprovincialis), cockles (Cardium edule) and clams (Tapes spp.). The parasite develops mainly in the epithelium cells of the digestive gland and is associated with emaciation of the host and exhaustion of its energy reserves (glycogen). Diagnosis is established by examination of the smears of infected organs of by histologic means stained sections of the digestive gland. During the monitoring of shellfish health status, marteiliosis in mussels was observed. In this paper the description of clinical and histopathological study of the case is presented.

oyster; Ostrea edulis; mussel; Mytilus galloprovincialis; Paramyxea; Marteilia

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