Detection of Flavobacterium psychrophilum in Chum Salmon Oncorhynchus keta and Virulence of Isolated Strains to Salmonid Fishes


We investigated the presence of Flavobacterium psychrophilum in the ovarian fluids of female adults (eight rivers) and the fry kidney tissues (nine hatcheries) of chum salmon Oncorhynchus keta in Hokkaido, Japan in 2005. F. psychrophilum was detected by culture in 3.3– 90.0% of ovarian fluid at all rivers and 5% of kidney tissue at one hatchery, whereas 33… (More)


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