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Dans cet article, nous traitons de l’occurrence des parasites des poissons au niveau du littoral marocain. L’analyse des donnees du portail RASFF entre 1979 et juillet 2019, a revele que la presence des parasites constitue l’un des principaux motifs de refoulement des poissons et produits derives exportes du Maroc vers les pays de l’Union Europeenne. Un travail de terrain visant la recherche directe des parasites par inspection visuelle a concerne 1678 pieces de poissons de differentes especes dont 537 proviennent de l’Atlantique (port d’Essaouira et marche de gros de Casablanca) et 1141 pieces de la Mediterranee. Cinq groupes de parasites ont ete trouves: Nematodes, xenomes, trematodes, isopodes et copepodes. L’ampleur du parasitisme est presque la meme au niveau du littoral mediterraneen (31,1%) et l’atlantique (32,0%). Les nematodes (Complexe Anisakis + acanthocephales) occupent la majeure partie des parasites au niveau de l’Atlantique et de la mediterranee avec des prevalences respectives de 21,4% et 24,9%. La larve plerocercoide du cestode Gymnorhynchus gigas a ete trouvee chez le sabre argente (Lepidopus caudatus) avec une prevalence de 8,3% au niveau de l’Atlantique. In this article, we address the occurrence of fish parasites in the Moroccan coast. An analysis of data available on the RASFF (Rapid Alert System for Food and Feed) portal covering the period from 1979 to July 2019, revealed that the presence of parasites is one of the main reasons for border rejection of fish and fish products exported from Morocco to the European Union. The field study concerned a direct search for parasites by visual inspection in 1678 fish specimens including 537 from the Atlantic coast (port of Essaouira and wholesale market of Casablanca) and 1141 from the Mediterranean. Five groups of parasites were found namely nematodes, xenomas, trematodes, isopods and copepods. The extent of parasitism was almost identical in the Mediterranean (31.1%) and Atlantic (32.0%) coasts. Nematodes (Anisakis complex + acanthocephalans) represent the majority of parasites found in fish originating from both the Atlantic and the Mediterranean with a respective prevalence of 21.4% and 24.9%. The plerocercoid larva of the cestode Gymnorhynchus gigas was found in the silver scabbardfish (Lepidopus caudatus), originating from the Atlantic coast, with a prevalence of 8.3%.

Occurrence Des Parasites Dans Les Poissons Collectés Au Niveau Du Littoral Marocain