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
46.3
(36.0–56.6)
Swine
0
0.0
TOTAL
343
93
27.1
(22.7–31.5)