Table 1.
Group and pig numbers | Inculation and numbers of segments per pig | Time of virus infection | |
---|---|---|---|
Intestinal ligation | I (n1 = 5) | PBS (1 ml per segment, n2 = 3) PBS (1 ml per segment, n2 = 3) SHXB (1 ml of 1 × 107 TCID50 ml−1 per segment, n2 = 3) SHXB (1 ml of 1 × 107 TCID50 ml−1 per segment, n2 = 3) |
3 h (From the first injection to sacrifice) 15 min (from the second injection to sacrifice) 3 h (from the first injection to sacrifice) 15 min (from the second injection to sacrifice) |
II (n1 = 5) | PBS (1 ml per segment, n2 = 3) PBS (1 ml per segment, n2 = 3) STC3 (1 ml of 1 × 107 TCID50 ml−1 per segment, n2 = 3) STC3 (1 ml of 1 × 107 TCID50 ml−1 per segment, n2 = 3) |
3 h (From the first injection to sacrifice) 15 min (from the second injection to sacrifice) 3 h (from the first injection to sacrifice) 15 min (from the second injection to sacrifice) |
|
Oral administ-ration | III (n1 = 5) | SHXB (20 ml of 1 × 107 TCID50 ml−1 per pig) | 48 h (From administration to sacrifice) |
IV (n1 = 5) | STC3 (20 ml of 1 × 107 TCID50 ml−1 per pig) | 48 h (from administration to sacrifice) |