TABLE 1.
Day of life | No. of positive animals |
||
---|---|---|---|
Group 1a | Group 2a | Group 3b | |
8th | 0 | 0 | —d |
9th | 0 | 1 | — |
10th | 1 | 3 | — |
11th | 3 | 3 | 0 |
12th | NDc | 4 | 0 |
13th | ND | 3 | 2 |
14th | ND | 1 | 2 |
16th | 1 | 3 | 1 |
21st | 9 | 4 | 6 |
25th | 4 | 4 | 6 |
28th | 5 | 2 | 5 |
Inoculation of S. Corvallis on the 7th day of life.
Inoculation of S. Corvallis on the 10th day of life.
ND, not determined.
—, days prior to S. Corvallis inoculation.