Animal HealthDiseasesReportable Animal Diseases

Animal Diseases

Montana Reportable Animal Diseases list (PDF for printing)

Immediately Reportable Diseases

The following diseases must be reported immediately to state officials at (406) 444-2043.

Disease Bovine Equine Ovine/ Caprine Porcine Cervid Canine/ Feline Avian Occurrence in MT
Acute swine erysipelas       X       No Data
African horse sickness   X           FAD
African swine fever       X       FAD
Anthrax* X X X X       2009
Avian Chlamydiosis (Psittacosis)             X No Data
Avian Influenza (high pathogenic or low pathogenic)*             X 2015
Bluetongue X   X         2007
Bovine babesiosis X             No Data
Bovine spongiform encephalopathy* X             No Data
Brucellosis* X   X X   X   2014
Cattle fever tick (Boophilus annulatus, B. microplus) X             No Data
Chronic wasting disease         X     Not Present
Classical swine fever (Hog cholera)       X       FAD
Contagious agalactia (Mycoplasma spp)     X         No Data
Contagious bovine pleuropneumonia X             FAD
Contagious caprine pleuropneumonia     X         FAD
Contagious equine metritis   X           FAD
Contagious foot rot     X         2013
Crimean Congo hemorrhagic fever*               No Data
Dourine (Trypanosoma equiperdum)   X           No Data
Equine encephalomyelitis (EEE, WEE, VEE)*   X           No Data
Equine infectious anemia   X           2011
Equine piroplasmosis   X           No Data
Equine rhinopneumonitis, neurologic form (EHV-1)   X           2014
Equine viral arteritis   X           No Data
Exotic Newcastle disease*             X FAD
Foot and mouth disease X   X X X     FAD
Fowl typhoid (Salmonella gallinarum)             X No Data
Glanders*   X           No Data
Heartwater X   X         FAD
Japanese encephalitis*   X   X       No Data
Lumpy skin disease X             FAD
Malignant catarrhal fever X       X     FAD
Mange (Sarcoptes scabiei, Psoroptes sp. or Chorioptes sp.)* X   X   X X X No Data
Nairobi sheep disease     X         No Data
Screwworm (New and Old World) X X X X X X   FAD
Nipah virus encephalitis*   X   X       FAD
Ovine Pediculosis     X         No Data
Peste des petits ruminants     X         FAD
Plague (Yersinia pestis)*           X   No Data
Pseudorabies (Aujeszky's disease)       X       Present
Pullorum Disease (S. pullorum)             X No Data
Q-Fever (Coxiella burnettii)* X   X         2013
Rabbit hemorrhagic disease               FAD
Rabies* X X X X X X   2015
Rift Valley fever* X   X         No Data
Rinderpest X             Eradicated
Scrapie     X         No Data
Sheep pox and goat pox     X         No Data
Surra (Trypanosoma evansi) X X X X X X   FAD
Swine influenza (H1N1)*       X       No Data
Swine vesicular disease       X       No Data
Theileriosis X             No Data
Trichomoniasis X             2013
Trypanosomosis (Tse-tse borne) X X X X X X   FAD
Tuberculosis (Mycobacterium bovis)* X   X   X     No Data
Tularemia*     X     X   Present
Vesicular exanthema       X       No Data
Vesicular stomatitis X X   X       2007
Viral hemorrhagic septicemia               No Data
West Nile virus*   X       X X 2015


FAD: Foreign Animal Disease not known to exist in the United States

National Animal Health Reporting System

List of Diseases Reported to NAHRS – Participation in the NAHRS is voluntary. The National Animal Health Reporting System (NAHRS) is a cooperative designed to provide data on the presence of confirmed clinical disease in commercial livestock, poultry, and aquaculture species in the United States.

Animal Health Bureau

Helpful Links


Contact Information

Department of Livestock
Animal Health Bureau
PO Box 202001
Helena, MT 59620-2001
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