The following points highlight the twelve parasitic protozoans causing diseases in animals. Some of the protozoans are: 1. Trichomonas hominis 2. Trichomonas gallinae 3. Trichomonas gallinarum 4. Trichomonas foetus 5. Histomonas maleagridis 6. Trypanosoma species 7. Sarcocystis linedamanni 8. Eimeria species and Others. Protozoa # 1. Trichomonas hominis: It is a Mastigophra inhabiting the ileo-caecal […]