Development of a diagnostic test for Mikrocytos roughleyi, the aetiological agent of Australian winter mortality of the commercial rock oyster, Saccostrea commercialis (Iredale and Roughley)

adn bivalvia diagnosis diagnostic dna dosage biologique experimental infection in vivo experimentation infecciones por protozoos mariscos molecular genetics ostra ostreidae oysters polymerase chain reaction protozoa protozoal infections protozoose saccostrea commercialis shellfish