| occurrence of the microsporidian parasite nucleospora salmonis in four species of salmonids from the massif central of france. | nucleospora salmonis (hedrick, groff et baxa, 1991), an intranuclear microsporidian parasite of marine and freshwater fish, causes diseases mainly in salmonid species. losses have been reported in stocks of salmonid fish reared in the region of auvergne (france). the cause of chronic mortalities in the local host species raised in aquaculture and destined for supplementation of the river system loire-allier was examined. the presence of n. salmonis was confirmed by pcr and histology in salmo sal ... | 2006 | 16696429 |