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Table 1 Ovine population (number of flocks), sampling performed and estimated (apparent) seroprevalence (with 95% CI) of Border disease, by department, according to GEE model

From: Seroprevalence of border disease virus and other pestiviruses in sheep in Algeria and associated risk factors

Department

Ovine flocks

N Fl

N Lb

N Ad

N Pos

Prev %

95% CI

El Bordj

9000

3

0

30

15

50.00

[27.33; 72.67]

Setif

4230

1

0

10

10

100.00

n.d.

Msila

23,000

7

31

71

51

71.90

[60.36; 81.13]

Djelfa

21,000

6

5

60

35

58.33

[43.12; 72.11]

Laghouat

23,000

8

24

80

39

51.07

[36.55; 65.41]

El Bayadh

25,000

7

0

70

57

81.43

[64.40; 91.40]

Tizi Ouzou

18,000

5

1

50

23

46.00

[20.87; 73.34]

Chlef

17,230

5

30

50

9

18.00

[09.90; 30.50]

Saida

50,000

15

22

155

105

67.68

[55.81; 77.64]

Total

190,460

57

113

576

344

60.17

[52.96; 66.96]

  1. N Fl: Number of sampled flocks
  2. N Lb: Number of sampled lambs (animals < 6 months, plasma)
  3. N Ad: number of sampled adults (serum + plasma)
  4. N Pos: number of positive sera (adults)
  5. Prev %: within-herd seroprevalence