The Probert Encyclopaedia of Nature

BALANTIDIUM

Balantidium is a Phylum Protozoa, a member of the order of Heterotricha.
Balantidium coli occurs in the cecum of swine, where it does no harm. However, on being transmitted to primates it can cause acute and even hemorrhagic diarrhoea and ulceration of the gut wall.
Research Balantidium