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Serum samples from 1032 semi-domesticated reindeer (Rangifer tarandus tarandus) from Finland were examined for the occurrence of Salmonella-antibodies by use of an indirect ELISA. The majority of samples originated from clinically healthy slaughter reindeer, kept extensively (n = 802; year of sampling: 1996). The remaining samples (n = 230) came from a research herd, permanently kept intensively, with repeated outbreaks of diarrhoea. In this study, 29 of the examined serum samples showed an OD above the determined cut-off. The prevalence in the clinically healthy slaughter reindeer was 0.9%, in the research herd 4.2% in 1996, 10.5% in 1997 and 12.9% in 1998. It must be assumed that the intensive husbandry in the corralled research herd may favour the spreading of infectious agents and eventually outbreaks of crowding diseases in the herd. This investigation is complemented by a review on the occurrence of Salmonella in wild and semi-domesticated cervids.