1. Protozoa or Rickettsial bacteria found in the blood of a ruminant .......... Go to: 3, 4, & 5
2. Protozoa found in the tissue cells of a ruminant .......... Go to: 6

3. Hemoflagellates of the trypomastigote form (long cell, kinetoblast at posterior end, long undulating membrane, long flagellum) found among the blood cells .......... Trypanosoma brucei
4. Hemosporozoans (tear-shaped) found inside red blood cells .......... Babesia sp.
5. Rickettsial bacteria, forming a single dark dot, found on the red blood cells .......... Anaplasma marginale

6. A very large cyst (easily seen with a 4X objective) found within muscle fibers (A sarcocyst containing many bradyzoites.) .......... Sarcocystis sp.