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Animal species
Differential Diagnoses
Cattle
Neonatal diarrhea Diarrhea in Neonatal Ruminants Neonatal diarrhea in ruminants remains the most important cause of death in calves under one month of age. Various bacterial, viral, and protozoal agents are recognized as causative agents,... read more due to enterotoxigenic E coli infection; infection with verotoxigenic E coli; coccidiosis Coccidiosis of Cattle Twelve Eimeria spp have been identified in the feces of cattle worldwide, but only three (E zuernii, E bovis, and E auburnensis) are most often associated with clinical... read more ; cryptosporidiosis Cryptosporidiosis in Animals Cryptosporidiosis is a highly prevalent gastrointestinal parasitic disease caused by protozoan species of the genus Cryptosporidium that infect a wide range of animals, including people... read more ; bovine viral diarrhea Bovine Viral Diarrhea and Mucosal Disease Complex Bovine viral diarrhea/mucosal disease is a pestivirus infection of cattle and other ruminants. Infection leads to immunosuppression and can cause signs in multiple body systems in addition to... read more ; infection with Clostridium perfringens Types A, B, C; winter dysentery Winter Dysentery Determination of the cause of intestinal disease in cattle is based on clinical, epidemiologic, and laboratory findings. Nonspecific therapy includes oral and parenteral fluid therapy to restore... read more ; infection with Mycoplasma bovis (polyarthritis and pneumonia)
Sheep
Enteric and septicemic colibacillosis Diarrhea in Neonatal Ruminants Neonatal diarrhea in ruminants remains the most important cause of death in calves under one month of age. Various bacterial, viral, and protozoal agents are recognized as causative agents,... read more ; septicemia due to Histophilus spp or Pasteurella spp; coccidiosis Coccidiosis of Sheep Infection with Eimeria is one of the most economically important diseases of sheep. Historically, some Eimeria spp were thought to be infectious and transmissible between sheep... read more
Pigs
Enteric and septicemic colibacillosis Enteric Colibacillosis in Pigs Enteric colibacillosis is a common disease of nursing and weanling pigs caused by colonization of the small intestine by enterotoxigenic strains of Escherichia coli (ETEC). Colonization... read more ; swine dysentery Swine Dysentery Swine dysentery is a mucohemorrhagic diarrheal disease of pigs that is limited to the large intestine. Swine dysentery is most often observed in growing-finishing pigs and is associated with... read more ; infection with Clostridium difficile of piglets and weanlings; infectionwith Brachyspira hyodysenteriae;campylobacteriosis Swine Dysentery Swine dysentery is a mucohemorrhagic diarrheal disease of pigs that is limited to the large intestine. Swine dysentery is most often observed in growing-finishing pigs and is associated with... read more ; septicemias of growing pigs (which include Erysipelas infection, Lawsonia intracellularis, classical swine fever Classical Swine Fever Classical swine fever (CSF) is a highly contagious and often fatal viral disease of swine. Infected pigs develop fever, hemorrhages, lethargy, yellowish diarrhea, vomiting, and a purple skin... read more and pasteurellosis Pasteurellosis in Pigs Pasteurellosis is most commonly seen in pigs as a complication of mycoplasmal pneumonia, although swine influenza, Aujeszky disease, Bordetella bronchiseptica, or Haemophilus parahaemolyticus... read more )
Horses
Septicemia (due to E coli, infection with Actinobacillus equuli, or streptococci)
Poultry
Coliform enteritis Colibacillosis in Poultry Colibacillosis is caused by infection with a pathogenic strain of Escherichia coli. Signs vary and can include acute fatal septicemia, airsacculitis, pericarditis, perihepatitis, and... read more ; Yersinia pseudotuberculosis
