References [1] Balantidium coli in domestic animals: An emerging protozoan pathogen of zoonotic significance. Acta Tropica (2019). [2] Balantioides coli. Research in Veterinary Science (2020).

Balantidium Coli – Life Cycle B. coli is a large ciliated protozoan. The life cycle of the protozoan comprises four stages: cysts, trophozoite, binary fission, and encystation.

Arnoldo Gabaldon, Balantidium coli: Effects of Increasing the Viscosity and Crystalloid Contents of the Intestine of an Expermental Host on the Density of the Infection, The Journal of Parasitology, ...