Table 2.
Reactions of naive cattle and of cattle previously inoculated with T. lestoquardi to inoculation with T. annulata (Exp IIa)
| Calf number |
||||||||
|---|---|---|---|---|---|---|---|---|
| Clinical, parasitological and haematological parameters | Naive |
Previously inoculated |
||||||
| C7 | C8 | C1 | C2 | C3 | C4 | C5 | C6 | |
| First day of fever >39.4°C | 6 | 6 | 5 | 5 | 6 | 4 | 6 | 5 |
| Total number of days with fever | 11 | 10 | 18 | 24 | 10 | 28 | 9 | 12 |
| Max. temperature (°C) | 41.7 | >42.0 | 41.7 | 41.6 | 41.9 | >42.0 | 41.9 | 41.9 |
| First day of schizont detection in lymph node | 5 | 7 | 5 | 7 | 5 | 7 | 7 | 7 |
| First day of piroplasm detection | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
| Peak piroplasm parasitaemia (%) | 81.2 | 81.0 | 42.5 | 21.8 | 93.8 | 60.6 | 66.0 | 74.8 |
| Fall in WBC (%) | 76 | 74 | 43 | 66 | 75 | 73 | 88 | 65 |
| Fall in PCV (%) | 71 | 61 | 57 | 45 | 65 | 69 | 50 | 57 |
| Survival (s) or day of death/euthanasia | 17 | 15 | s | s | 16 | s | 14 | 16 |