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Table 1 Seroprevalence of pathogenic Yersinia spp. detected in wild boars according to the variables studied

From: Prevalence of Yersinia enterocolitica and Yersinia pseudotuberculosis in wild boars in the Basque Country, northern Spain

Variables N ELISA (%)
Age
 Young 102 42 (41.2)
 Adult 98 81 (82.7)
Sex
 Females 104 66 (63.5)
 Males 118 72 (61)
Sampling year
 2001 12 7 (58.3)
 2002 10 10 (100)
 2003 167 74 (44.3)
 2004 80 41 (51.3)
 2005 67 47 (70.2)
 2006 53 39 (73.6)
 2010 25 12 (48)
 2011 40 15 (37.5)
 2012 17 9 (52.9)
Season
 Winter 168 108 (64.3)
 Spring 29 19 (65.5)
 Summer 5 0
 Autumn 269 127 (47. 2)
Natural regions
 1 298 147 (49.3)
 2 90 52 (57.8)
 3 1 1 (100)
 4 17 17 (100)
 6 4 4 (100)
Slope
 Atlantic 445 217 (48.8)
 Mediterranean 42 37 (88.1)
Porcine census
 Low (10–140) 81 44 (54.3)
 Middle (167–426) 219 119 (54.3)
 High (580–7332) 162 82 (50.6)
Caprine census
 Low (66–655) 71 53 (74.7)
 Middle (909–1056) 234 111 (47.4)
 High (1136–2810) 157 81 (51.6)
Ovine census
 Low (1881–6698) 102 60 (58.8)
 Middle (8035–15,033) 138 91 (65.9)
 High (15,417–32,802) 222 94 (42.3)
Bovine census
 Low (276–4277) 132 77 (58.3)
 Middle (4602–6768) 172 103 (59.9)
 High (6781–19,109) 158 65 (41.1)
  1. N number of samples analyzed, ELISA number and percentage of ELISA positive samples