[Abortion in sheep: epidemic Salmonella abortusovis outbreak 2005 in Switzerland]. / Abort beim Schaf: Salmonella Abortusovis Epidemie 2005 in der Westschweiz.

In spring 2005, the outbreak of contagious abortion caused by Salmonella Abortusovis in 6 sheep flocks in Switzerland led to considerable economic losses. The Swiss small ruminant health service (BGK) evaluated this case. The aim was to identify the source of the epidemic in order to avoid further spread of infection and to evaluate the possibility of using vaccination. Moreover, a strategy for prevention of future outbreaks was developed. This article aims to increase disease awareness of food animal practitioners for Salmonella Abortusovis abortion in sheep.