Table 1.
Calves | Challenge strain | Euthanasia (pi) | Diarrhea | Challenge strain in the feces | ||
---|---|---|---|---|---|---|
Appearance (pi) | Persistence until | Appearance (pi) | Persistence until | |||
T1 | H209 (pVir) | 44 | 20 | e | 20 | e |
T2 | H209 (pVir) | 48 | 32 | e | 32 | e |
T3 | H209 (pVir) | 50 | 24 | e | 24 | e |
T4 | H209 (pVir) | 60 | 28 | e | 28 | e |
M1 | 1404ΔCNF | 91 | – | – | 16 | e |
M2 | 1404ΔCNF | 52 | – | – | 16 | e |
M3a | 1404ΔCNF | 54 | 36 | e | 16 | e |
M4 | 1404ΔCNF | 62 | – | – | 20 | e |
M5 | 1404ΔCDT | 52 | 24 | e | 16 | e |
M6 | 1404ΔCDT | 46 | 28 | e | 16 | e |
M7 | 1404ΔCDT | 48 | 24 | e | 12 | e |
C | – | – | – | – | nr | nr |
pi, hours post-inoculation; e, euthanasia; –, none or negative; nr, not relevant.
a Rotavirus was present in the feces.