Abstract
T. foetus is a kind of protozoa that parasitizes bovine and feline. T. foetus is synonymous with T. suis. In pigs it colonizes the nasal cavity, stomach and cecum. In cattle, the parasite causes early embryonic death, abortion and infertility, so great veterinary and economic interest. In cats, it colonizes the colon, causing colitis, being the predominant clinical signs chronic diarrhea.…