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Table 2 Prevalence of pathogenic Yersinia detected with rt-PCR 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

YE and YP (%)

YE (%)

YP (%)

Age

 Young

25

18 (72)

12 (48)

9 (36)

 Adult

20

10 (50)

8 (40)

3 (15)

Sex

 Females

30

19 (63.3)

12 (40)

11 (36.7)

 Males

19

12 (63.2)

9 (47.4)

4 (21.1)

Sampling year

 2010

23

18 (78.3)

13 (56.5)

9 (39.1)

 2011

32

7 (21.9)

7 (21.9)

0

 2012

17

12 (70.6)

4 (23.5)

9 (52.9)

Season

 Winter

8

5 (62.5)

5 (62.5)

1 (12.5)

 Spring

9

7 (77.8)

2 (22.2)

6 (66.7)

 Summer

10

5 (50)

3 (30)

2 (20)

 Autumn

45

20 (44.4)

14 (31.1)

9 (20)

Natural regions

 1

58

26 (44.8)

15 (25.9)

15 (25.9)

 2

6

5 (83.3)

5 (83.3)

0

Slope

 Atlantic

72

37 (51.4)

24 (33.3)

18 (25)

Porcine censusa

 Low

26

12 (46.1)

6 (23.1)

8 (30.8)

 Middle

24

11 (45.8)

6 (25)

6 (25)

 High

22

14 (63.6)

12 (54.6)

4 (18.2)

Caprine censusb

 Low

3

0

0

0

 Middle

35

19 (54.3)

10 (28.6)

12 (34.3)

 High

34

18 (52.9)

14 (41.2)

6 (17.7)

Ovine censusc

 Low

20

7 (35)

3 (15)

4 (20)

 Middle

28

12 (42.9)

6 (21.4)

8 (28.6)

 High

24

18 (75)

15 (62.5)

6 (25)

Bovine censusd

 Low

26

13 (50)

6 (23.1)

9 (34.6)

 Middle

17

7 (41.2)

4 (23.5)

3 (17.7)

 High

29

17 (58.6)

14 (48.3)

6 (20.7)

  1. N number of samples analyzed, YE and YP number and percentage of Y. enterocolitica and Y. pseudotuberculosis positive samples, YE number and percentage of Y. enterocolitica positive samples, YP number and percentage of Y. pseudotuberculosis positive samples
  2. aPorcine census: low (10–140), middle (167–426), high (580–7332)
  3. bCaprine census: low (66–655), middle (909–1056), high (1136–2810)
  4. cOvine census: low (1881–6698), middle (8035–15,033), high (15,417–32,802)
  5. dBovine census: low (276–4277), middle (4602–6768), high (6781–19,109)