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Reportable Diseases

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.


NOTICE: The Animal Health Division is currently working on revising the Reportable Disease list in Colorado.  These revisions should be completed by Fall 2024.  Please contact our office at (303) 869-9130 if you have any questions.


Reportable Diseases in Colorado


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:

  • Call the State Veterinarian's Office at (303) 869-9130.  If after hours, the voice message will indicate which staff veterinarian is on call.
  • Call the area Veterinary Medical Officer for your county

Use one of the online submission forms below

Equine Neurological Disease Case Online Submission Form


Canine Brucellosis Case Report Online Submission Form


Reportable Disease Report Online Submission Form


Colorado Reportable Disease List


  • ALL Foreign Animal Diseases ***
  • Anaplasmosis
  • Anthrax
  • Avian Influenza (all species) and Exotic Newcastle Disease
  • Bluetongue
  • Brucellosis 1
  • Bovine Spongiform Encephalopathy (BSE)
  • Chronic Wasting Disease (CWD)
  • Contagious Equine Metritis (CEM)
  • Coxiella burnetii (Q Fever)
  • Epizootic Hemorrhagic Disease
  • Equine Neurologic Disease:
  • Equine Encephalitides (EEE, WEE)
  • Equine Herpes Myeloencephalopathy
  • Equine Protozoal Myeloencephalitis
  • Rabies
  • West Nile Virus
  • Equine Infectious Anemia (EIA)
  • Equine Piroplasmosis

  • Equine Viral Arteritis
  • Johne’s Disease
  • Malignant Catarrhal Fever
  • Plague 1, 2
  • Psittacosis 1, 2
  • Pseudorabies
  • Rabbit Hemorrhagic Disease
  • Rabies 1, 2
  • Salmonella (pullorum or enteritidis)
  • Scabies (cattle or sheep)
  • Scrapie
  • Trichomoniasis
  • Tuberculosis
  • Tularemia 1, 2
  • All Vesicular Diseases, including but not limited to:
  • Senecavirus A or Seneca Valley Virus (SVV)
  • Vesicular Stomatitis
  • 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


Animal Health Rules

Colorado Code of Regulations (CCR) For Animal Health 

Colorado Code of Regulations (CCR) for Livestock Disease Control

8 CCR 1201-19 Livestock Disease Control