Spatial and genotypic clustering of Salmonella over time in a swine production unit.

Abstract excerpt

Transmission patterns of Salmonella in a swine production unit were investigated by statistical analysis of the spatial distribution of isolates and the clustering of genotypes over a 12-week period. The study unit was a breeding-gestation building in a single-site farrow-to-finish swine production system. During the summer of 2003, 1746 pen floor samples were collected during 6 visits conducted at 2-week...

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