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Table 2 Within-herd prevalence and summary statistics for gastric lesion assessment in 200 nursery pigsa from 10 farms

From: Association between gastric content fluidity and pars oesophageal ulcers in nursery pigs: a cross-sectional study of high-risk Danish herds using commercial feed

Farm

No. of observations

No Pars Oesophageal Ulcers (NPOU)

Pars Oesophageal Ulcers (POU)

Within-Herd Prevalence (No.)

95% CI

Healthy

Parakeratosis

Erosion

Ulcer

Scar

Oesophageal stenosis

1

20

18

2

0

0

0

0

0%

0.87; 1.00

2

20

4

9

2

1

4

0

25% (5)

0.54; 0.89

3

20

6

8

1

3

2

0

25% (5)

0.54; 0.89

4

20

0

3

0

7

8

2

85% (17)

0.04; 0.34

5

20

3

4

1

7

2

3

60% (12)

0.21; 0.60

6

20

5

9

1

2

2

1

25% (5)

0.54; 0.89

7

20

4

5

0

6

4

1

55% (11)

0.25; 0.65

8

20

11

8

0

1

0

0

5%

(1)

0.79; 0.99

9

20

5

8

0

3

4

0

35% (7)

0.46; 0.82

10

20

0

11

1

4

4

0

40% (8)

0.39; 0.78

Total

200

56

67

6

34

30

7

35.5%b (71)

  1. a Danish system for gastric health assessment [14] b Overall prevalence in the study