Table 1. Determination of LD50 in BALB/c mice challenged with S. agalactiae GD201008-001.
Dose of challenge CFU/(0.1 ml) | Number of death/total | ||
12 h.p.i. | 24 h.p.i. | 36 h.p.i. | |
1×104 | 0/10 | 10/10 | 10/10 |
1×103 | 0/10 | 8/10 | 10/10 |
1×102 | 0/10 | 6/10 | 10/10 |
1×101 | 0/10 | 5/10 | 10/10 |
PBS | 0/10 | 0/10 | 0/10 |
LD50 | <1×101CFU |