Risk factors for Salmonella Typhimurium DT 104
Persistently contaminated buildings may be a source of infection (OR 2.48)
Lack of isolation facilities for ill animals was associated with an increased risk of disease
- In particular; if cows calved in buildings that previously housed diseased stock (OR 1.51)
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A high population density of cats around the farm increased the risk of infection (OR 1.35)
Evidence of access to cattle feed stores by wild birds was associated with an increased risk of disease (OR 1.67)