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Peer-reviewed veterinary case report

Barn swallows (Hirundo rustica) test negative for Salmonella.

Journal:
Vector borne and zoonotic diseases (Larchmont, N.Y.)
Year:
2008
Authors:
Haemig, Paul D et al.
Affiliation:
School of Pure and Applied Natural Sciences
Species:
bird

Abstract

Farmers around the world have been urged to eliminate barn swallows (Hirundo rustica) from their buildings, based on the unproven assumption that these birds amplify and spread Salmonella to livestock, humans, and stored food. However, we tested over 500 barn swallows in Sweden and found no evidence that they carry Salmonella. Our results cast doubt on the hypothesis that barn swallows are competent reservoirs of Salmonella and suggest that their role, if any, is limited to being accidental hosts of the bacterium.

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Original publication: https://pubmed.ncbi.nlm.nih.gov/18266565/