Table 3.
Day p.i. | 1 | 2 | 5 | 8 | 12 | 15 | 19 | 22 | 26 | Total isolations |
---|---|---|---|---|---|---|---|---|---|---|
PLM | 0/5* | 1/5 | 0/5 | 0/5 | 1/5 | 1/5 | 0/5 | 0/5 | 0/5 | 3/45 |
PG2 | 1/5 | 2/5 | 1/5 | 1/4† | 3/5 | 2/5 | 3/5 | 1/5 | 3/5 | 17/45‡ |
Number of ewes from which M. agalactiae was isolated from left udder/total number of sheep in the group.
From four animals, as the fifth sample got contaminated.
The frequency of isolation of M. agalactiae from milk samples from left udder halves of ewes infected with PG2 is significantly higher than in ewes infected with PLMs.