MSD Manual

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Common Infections of the Gastrointestinal Tract

Common Infections of the Gastrointestinal Tract


Cattle, Sheep, and Goats



Dogs and Cats


Transmissible gastroenteritis Infectious Diseases of the GI Tract in Animals The GI tract is subject to infection by many pathogens, which are a major cause of economic loss due to illness, suboptimal performance, and death ( see Table: Common Infections of the Gastrointestinal... read more , porcine circovirus Porcine Circovirus Diseases Porcine circoviruses have been associated with multiple disease conditions in pigs, including postweaning multisystemic wasting syndrome and reproductive disorders. Virus has been detected in... read more Porcine Circovirus Diseases type II, porcine epidemic diarrhea Porcine Coronaviral Enteritis Coronaviral enteritis affects pigs of all ages and typically manifests as an acute watery diarrhea. Multiple coronaviruses cause enteric disease in pigs, and clinical differentiation is difficult... read more Porcine Coronaviral Enteritis virus, rotavirus, foot-and-mouth disease Foot-and-Mouth Disease in Animals Foot-and-mouth disease is one of the world's most economically important viral diseases of livestock. The virus infects cattle, pigs, and sheep and many cloven-hoofed wildlife species. The infection... read more Foot-and-Mouth Disease in Animals , vesicular stomatitis Vesicular Stomatitis in Large Animals Vesicular stomatitis is a viral disease of primarily horses and cattle, transmitted mainly by biting flies and midges. The disease results in characteristic vesicular lesions that can occur... read more Vesicular Stomatitis in Large Animals , vesicular exanthema Vesicular Exanthema of Swine Vesicular exanthema of swine (VES) is an acute, highly infectious disease characterized by fever and formation of vesicles on the snout, oral mucosa, soles of the feet, coronary bands, and between... read more



Enterotoxigenic Escherichia coli, Salmonella spp, Mycobacterium paratuberculosis, Fusobacterium necrophorum, Clostridium perfringens (types B, C, and D), Actinobacillus lignieresii, Yersinia enterocolitica, Campylobacter jejuni

Enterotoxigenic E coli, Salmonella spp, Brachyspira hyodysenteriae, Clostridium perfringens types B and C, Lawsonia intracellularis, Clostridium difficile

Enterotoxigenic E coli, Salmonella spp, Rhodococcus equi, Actinobacillus equuli, Clostridium perfringens, Clostridium difficile, Lawsonia intracellularis

Salmonella spp, Campylobacter jejuni, Clostridium spp, , Mycobacterium spp, S, adherent invasive E coli,


Eimeria spp, Cryptosporidium spp

Eimeria spp, Isospora suis

Eimeria spp, Cryptosporidium spp

Isospora spp, Sarcocystis spp, Toxoplasma sp, Giardia sp, Tritrichomonas spp, Cryptosporidium spp, Neospora sp


Candida spp (cattle)

Candida spp

Aspergillus fumigatus

Histoplasma capsulatum, Aspergillus spp, Candida albicans, phycomycetes


Prototheca spp

Prototheca spp

Prototheca spp

Prototheca spp

Parasites (helminths)