| studies on the possibility of vertical transmission of norwegian salmonid alphavirus in production of atlantic salmon in norway. | disease associated with salmonid alphavirus (sav) infection is a significant problem for farm production of salmonids in europe. the sav subtype 3 (sav3) is a norwegian subtype present exclusively in production systems for atlantic salmon salmo salar and rainbow trout oncorhynchus mykiss in western norway. it has been suggested that sav3 is transmitted through smolt transport from the main area for sav disease in western norway to as far as northern norway. one explanation for this type of sprea ... | 2009 | 20043403 |