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Table 1 Summary of the animal age groups included in the study and their seroprevalence against PToV

From: Seroprevalence of porcine torovirus (PToV) in Spanish farms

Age

No.of sera

Positive

Prevalence (95%CI)a

O.D.492 ± s.d.b

Sows

1388

1382

99.6% (99.0; 99.8)

1.03 ± 0.36

20 weeks

671

664

98.9% (97.8; 99.5)

0.85 ± 0.33

15 weeks

127

127

100.0% (96.5; 100.0)

1.02 ± 0.24

11 weeks

84

81

96.4% (89.6; 99.2)

0.73 ± 0.34

7 weeks

189

161

85.2% (79.4; 89.6)

0.52 ± 0.17

5 weeks

40

37

92.5% (79.4; 98.1)

0.59 ± 0.31

3 weeks

165

98

59.4% (51.8; 66.6)

0.45 ± 0.16

Total

2664

2550

95.7% (95.0; 96.5)

 
  1. a CI, exact binomial confidence interval. b Mean O.D. 492 values and their corresponding standard deviation.