| Table 2 |
Dipylidium caninum
- dog & cat tapeworm |
Eimeria bovis
- coccidian of cattle |
Hematopinus suis
- pig louse |
Babesis canis
- dogs |
| Route(s) of entry to the host |
1. Ingestion of intermediate hosts (fleas and
lice) containing cysticercoids. |
1. Ingestion of sporulated oocysts |
Direct contact with an infested host |
1. Injection of sporozoites by feeding female
ticks (Rhipicephalus) |
| Predilection site in the
definitive host |
Small intestine |
Small intestine (Asexual reproduction)
Large intestine (sexual reproduction) |
Skin and hair coat |
Red cells (asexual reproduction) |
| Route to the predilection site |
Direct development in the small intestine after
ingestion of intermediate hosts. |
Direct development in the intestine |
None -all life cycle stages occur on the host |
Invasion of red cells by sporozoites |
| Route of exit from the host |
In the feces of the host |
In the feces of the host |
None - all life cycle stages occur on the
host. Adults and nymphs move to another host via direct contact |
Infected red cells are ingested by feeding
ticks |
| Stage entering the host
(infective stage) |
Cysticercoid |
Sporulated oocyst |
All stages except eggs |
Sporozoites |
| Stage leaving the host
(diagnostic stage) |
Egg |
oocyst |
All stages except eggs |
Trophozoite in host red blood cells |
