DVM 360 (June 26) – In a normal fecal smear, there should be none or rare nucleated cells seen, but digesta and “a mixed population of bacteria should be present,” according to Anne Barger, DVM, MS, DACVP, a professor and head of the Department of Veterinary Clinical Medicine at the University of Illinois College of Veterinary Medicine in Urbana, in a paper published by the Illinois State Veterinary Medical Association.
https://www.dvm360.com/view/using-rectal-cytopathology-as-a-diagnostic-tool