Livestock Health

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The Colorado State Veterinarian's Office is responsible for maintaining the health and integrity of the Colorado livestock herd to provide a safe product for the public.

Reportable Diseases in Colorado

Reportable Disease List PDF

What to Report:

  • Any suspected clinical case of a reportable disease, which includes:

    • If an animal dies acutely and was exhibiting clinical signs of a reportable disease, this must be reported even if no diagnostic testing was completed prior to death.

    • Any highly unusual condition, unusual clinical signs of any kind, and any instance of very high morbiditiy and/or mortality.  This includes all foreign animal diseases***, or infectious disease or parasite of livestock which was not previously known to exist in Colorado.

    • All cases of acute equine neurologic disease must be reported immediately, unless cause is known trauma or toxicity.

    • Part 12 of the Colorado Livestock Disease Control Rule identifies what information needs to be provided when reporting diseases.  Rule is listed here

When to Report:

  • All reportable diseases must be reported immediately to the State Veterinarian's Office upon suspicion of clinical disease.  Do not wait for test results to report!
  • The State Veterinarian's Office can provide guidance to veterinarians on testing, appropriate biosecurity, and additional requirements, as needed.

How to Report:

Select a link below to learn more information about the disease.

ALL Foreign Animal Diseases ***

Johne’s Disease


Malignant Catarrhal Fever


Plague 1, 2

Avian Influenza and Exotic Newcastle Disease

Psittacosis 1, 2



Brucellosis 1

Rabies 1, 2

Bovine Spongiform Encephalopathy (BSE)

Salmonella (pullorum or enteritidis)

Chronic Wasting Disease (CWD)

Scabies (cattle or sheep)

Contagious Equine Metritis (CEM)


Epizootic Hemorrhagic Disease

Senecavirus A or Seneca Valley Virus (SVV)

Equine Neurologic Disease:

Equine Encephalitidies (EEE, WEE)

Equine Herpes Myeloencephalopathy

Equine Protozoal Myeloencephalitis


West Nile Virus

Swine Enteric Coronavirus (new cases):

Porcine Epidemic Diarrhea Virus (PEDV)

Porcine Delta Coronavirus (PDCoV)



Tularemia 1, 2

Equine Infectious Anemia (EIA)

Vesicular Diseases

Equine Piroplasmosis

Vesicular Stomatitis

Equine Viral Arteritis

West Nile Virus

1 Diseases of interest to small animal veterinarians      

2 Diseases also reportable to the Colorado Department of Public Health and Environment (303)692-2700

1Diseases of interest to small animal practitioners
2Also reportable to the Colorado Department of Public Health