Skip to main content

Table 2 cELISA PN antibody levels in vaccinated animals before vaccination and seroconversion status.

From: Colostral antibody induced interference of inactivated bluetongue serotype-8 vaccines in calves

Population

N#

S1 (48 d)

S2 (80 d)

S3 (111 d)

S4 (139 d)

S5 (202 d)

Seroconversion statusa

Font

1

6

5

8

70

126

Neg

 

2

6

14

41

76

114

Neg

 

3

7

108

119

89

15

Pos

 

4

5

8

44

95

115

Neg

 

5

5

7

25

92

129

Neg

 

6

4

8

16

96

111

Neg

 

7

5

6

76

97

115

Neg

 

8

6

23

75

99

97

Neg

 

9

6

114

117

113

19

Pos

 

10

11

90

103

110

9

Pos

Tour

A

7

17

62

78

43

Dbt

 

B

8

18

57

84

45

Neg

 

C

10

23

72

93

70

Neg

Total

 

8 (6-11)

104 (90-114)

113 (103-119)

104 (89-113)

14 (9-19)

Pos (3/13)

  

6 (5-10)

13 (5-23)

48 (8-76)

88 (70-99)

96 (43-129)

Neg or Dbt (10/13)

Strong responders

 

6-11

90-114

103-119

89-113

< 19

Pos (3/3)

Mild responders

 

7-10

17-23

57-72

78-93

43-70

Pos (0/3)

Non responders

 

5-6

5-24

8-76

70-99

> 96

Pos (0/7)

  1. PN ≤ 35 is positive (pos); 35 < PN ≤ 45 is doubtful (dbt); PN > 45 is negative. The mean age of the calves is given in days (d) in parenthesis for each sample (S). Calves were vaccinated at the mean age of 118 days (i.e. between S3 and 4).