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Table 1 Herd prevalence values by animal source

From: Faecal shedding and strain diversity of Listeria monocytogenesin healthy ruminants and swine in Northern Spain

Animal source Herds analysed Positive Herds
   N % (CI)
Sheep 120 17 14.2
(8.6–19.8)
Beef Cattle 124 38 30.6
(22.8–38.4)
Dairy Cattle 82 38 46.3
(36.0–56.6)
Swine 17 0 0.0
TOTAL 343 93 27.1
(22.7–31.5)
  1. CI, 95% confidence intervals on the mean prevalence.