Question: Tritrichomonas is a genus of single celled flagellated parasitic excavates, some of whose species are known to be pathogens of the bovine reproductive tract as well as the intestinal tract of felines, which biological family has a lineage of carnivorans that includes the cats?
Sentence (from "Altered Schaedler flora"): Germ-free animals, mainly mice, are infected with ASF for the purpose of studying the gastrointestinal (GI) tract.
Relevant evidence: No