Healt surveillance of the flat oyster populations in Aust-Agder county, southern Norway in the period 2009 - 2015 (Rapport fra Havforskningen nr. 11-2016)

Sammendrag

Norwegian populations of European flat oysters, Ostrea edulis, have been considered free from notifiable diseases. In 2006, microcells resembling the oyster parasite Bonamia sp. were observed during histopathological examination of tissue specimens of flat oysters, Ostrea edulis from the Arendal area, southern Norway.