Table 4 Bacterial concentration and leukocyte counts performed with the immunohistochemistry slides of the mammary tissue from all the different experimental groups taken at the end of the immunological challenge (day 7 experimental post-infection)
| Â | Group | ||||||
|---|---|---|---|---|---|---|---|
Control | ST96 | ST121 | P-value | ||||
No. of animals | 6 | 9 | 9 | Â | |||
Total bacteria (log10[CFU]/g) | − 2.00 | ± 0.80a | 1.04 | ± 0.65b | 6.23 | ± 0.65c | 0.0001 |
Leukocytes counts (cells/mm2) | |||||||
 CD3+ |  |  |  |  |  |  |  |
  At nipple | 27.5 | ± 33.5a | 97.5 | ± 27.4ab | 163.5 | ± 27.4b | 0.0176 |
  1 cm from nipple | 18.13 | ± 32.57 | 59.57 | ± 26.66 | 97.51 | ± 26.66 | 0.1920 |
 RAM11+ |  |  |  |  |  |  |  |
  At nipple | 84.1 | ± 61.2a | 219.9 | ± 50.1a | 435.5 | ± 50.1b | 0.0007 |
  1 cm from nipple | 29.4 | ± 58.1a | 99.5 | ± 47.5ab | 218.9 | ± 47.5b | 0.0519 |
 CD79+ |  |  |  |  |  |  |  |
  At nipple | 82.5 | ± 38.5 | 141.2 | ± 31.5 | 147.0 | ± 31.5 | 0.3967 |
  1 cm from nipple | 87.75 | ± 23.75 | 91.63 | ± 19.51 | 66.43 | ± 19.51 | 0.6345 |
 IgG+ |  |  |  |  |  |  |  |
  At nipple | 339.6 | ± 32.3 | 293.1 | ± 26.4 | 343.8 | ± 26.4 | 0.3599 |
  1 cm from nipple | 336.3 | ± 32.5b | 255.3 | ± 26.6ab | 210.0 | ± 26.6a | 0.0624 |