Table 2 Total number and proportion of calves (%) that became viremic and shed virus in nasal secretions after challenge (days 0 to 28) with BVDV 2 1373 in each group

A

11 (90)*

8 (72.7)*

B

2 (16.6)

0

C

3 (25)

0

D

6 (54.5)*

2 (33.3)