The availability of a rapid and accurate method for the diagnosis of Photobacterium damselae subsp. piscicida ( Phdp ), able to discriminate its strictly correlated subsp. damselae ( Phdd ), formally known as Vibrio damsela , is essential for managing fish pasteurellosis outbreaks in farmed fish. A single‐step, high‐sensitivity real‐time PCR assay for simultaneous detection and quantification of P. damselae was designed target...