Fig. 1

Representative blood smears from calves 1697, 1718, 1726, and 1727 following T. orientalis Ikeda-infection. In each calf, few erythrocytes contain 1–2.5 µm × 0.5 µm, tear-drop shaped, intracellular piroplasms (arrows). No other evidence of anemia, erythrocyte destruction, or cellular regeneration is present. a calf 1697, b calf 1718, c calf 1726, d calf 1727. Scale bar: 10 µm