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Table 2 Relative OD values, SNT titres and quotients of BDV and BVDV SNT titres of 6 heifers in early pregnancy on day 60 of the infection phase

From: Transmission of border disease virus from a persistently infected calf to seronegative heifers in early pregnancy

Heifer

OD value (%)

SNT BDV

SNT BVDV

Quotient of BDV and BVDV titres

1

119

152

≤ 4

≥ 38

2

89

215

≤ 4

≥ 53

3

274

304

8

38

4

182

431

27

16

5

216

> 512

16

> 32

6

110

> 512

8

> 64