Prévalence des Vibrions potentiellement pathogènes dans les moules commercialisées à Agadir (Maroc)

This study aims to searching for bacteria belonging to the genus Vibrio in 104 shellfish samples consisting of live mussels (n=23) harvested from shellfish growing areas classified A and transformed mussels consisting of frozen (n=23), dried (n=35) and marinated mussels (n=23) purchased in markets and supermarkets in Agadir (Morocco). These investigations, conducted during two years (2010-2011), showed an overall incidence of Vibrio of 24% in all analyzed products. V. alginolyticus and V. parahaemolyticus were the main species identified in relative proportions of 20.2% and 3.8%, respectively. Live mussels were the most contaminated with Vibrio spp. (78.3%) followed by dried mussels (20%). However, no Vibrio spp. were found in frozen and marinated mussels.

Keywords: Vibrio, Prevalence, Shellfish, Marine products, Morocco