Table 2. Number of peripheral blood white blood cells (WBCs), mononuclear cells (PBMCs), and CD-positive T cells, and cytokine concentrations in weaning calves during weaning transition.
| Items | Weaning group (n=7) | SEM | ||||
|---|---|---|---|---|---|---|
| Week −1 | Week 0 | Week 1 | Week 3 | |||
| WBC (count/µl) | 11,129 | 11,529 | 10,429 | 9,314 | 806 | |
| PBMCs (count/µl) | 6,041 | 6,538 | 5,956 | 5,651 | 480 | |
| Subpopulation (count/µl) | ||||||
| CD3+CD45R− | 1,813 | 1,946 | 1,772 | 1,591 | 189 | |
| CD3+CD45R+ | 885 | 1,004 | 780 | 878 | 115 | |
| CD4+CD45R− | 318 | 388 | 352 | 274 | 40 | |
| CD4+CD45R+ | 312 | 406 | 304 | 330 | 67 | |
| CD8+CD45R− | 150 | 116 | 153 | 101 | 29 | |
| CD8+CD45R+ | 372 | 365 | 319 | 293 | 48 | |
| CD14+ | 1,394 | 1,477 | 1,349 | 1,161 | 186 | |
| WC1+ | 1,031 | 1,173 | 874 | 971 | 134 | |
| CD21+ | 1,136 | 973 | 1,269 | 1,177 | 151 | |
| Cytokine (ng/ml) | ||||||
| TNF-α | 575 | 529 | 706 | 408 | 165 | |
| IFN-γ | 359 | 463 | 485 | 363 | 54 | |
| IL-1β | 624 | 405 | 567 | 512 | 112 | |
| IL-6 | 2,518 | 2,026 | 1,851 | 1,879 | 232 | |