A CASE REPORT ON FISH EUSTRONGYLIDOSIS (PH: NEMATODA) IN ZANDER (SANDER LUCIOPERCA)

Published in Scientific Papers. Series D. Animal Science, Vol. LX
Written by Laura URDEȘ, Marius HANGAN, Cristiana DIACONESCU, Monica MARIN, Mihai GÎDEA

This is a case report out of a series of epidemiological studies within fish populations inhabiting the Danube Delta area, of which aim is to gather data on Eustrongylides spp epidemiology, with emphasis on the relationship between host, agent and environment-associated factors, as well as on food safety potential hazards. This investigation has been carried out on zander (Sander lucioperca) between August-November 2016, into a fish processing plant which currently produces fillets for internal and external markets. The fish had been gathered by industrial fishing from the RazelmSinoe area. Following the investigation it resulted that the disease prevalence was over 90 %, with an average of 5-7 larvae/fish fillet (min. 3, max. 10 larvae per fish). Main sites of location are: muscle, gonads, intestine and peritoneum. Most of the larvae were encysted (parasitic nodules of 0.5-1.0 cm in diameter). The study results indicate that there is an increasing consumer’s risk associated with the existence of Eustrongylides spp. larvae in fish destined to human consumption, as well as there is a potential of releasing the nematode into new areas, including on fishery farms. Hence, communication of the risk associated to the existence of Eustrongylides spp. within the Danube Delta area, and recommendation of specific biosecurity measures to help prevent the nematode from releasing/establishing into fishery farms in Europe should be called upon.

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URDEȘ L., HANGAN M., DIACONESCU C., MARIN M., GÎDEA M. 2017, A CASE REPORT ON FISH EUSTRONGYLIDOSIS (PH: NEMATODA) IN ZANDER (SANDER LUCIOPERCA). Scientific Papers. Series D. Animal Science, Vol. LX, ISSN 2285-5750, 372-374.


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