Laboratory evaluation of the gastrointestinal tract.
D000818:Animals; D003967:Diarrhea / Q000175:diagnosis / Q000662:veterinary; D005243:Feces / Q000032:analysis / Q000382:microbiology / Q000469:parasitology; D005767:Gastrointestinal Diseases / Q000175:diagnosis / Q000662:veterinary*; D009780:Occult Blood