Evolution de la situation épizootiologique en Bretagne en 1983 suite au développement de Bonamia ostreae

Bonamia ostreae diseease is always present in Brittany in the different farming areaa except few free natural oysters beds. Yet Bonamiose disease have not increased in the Bay of Cancale on oysters initialy very few parasited. The technical modifications of rearing and the eradication on sick oysters could explain this situation.