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.


Reportable Diseases in Colorado

Reportable Disease List

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.

1 Diseases of interest to small animal veterinarians      

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

Laws and Regulations 

Colorado Revised Statutes


C.R.S. References for Livestock

  • Title 35, Article 48: Bulls, Rams and Boars, Sections 35-48-101 to 35-48-104
  • Title 35, Article 50: Livestock Health Act, Sections 35-50-101 to 35-50-122
  • Title 35, Article 51: Animal Biological Product, Sections 35-51-101 to 35-51-104
  • Title 35, Article 52: Hogs, Sections 35-52-101 to 35-52-118

Colorado Revised Statutes are made available for public use by the Committee on Legal Services of the Colorado General Assembly through a contractual arrangement with the LexisNexis Group. Any person wishing to reprint and distribute all or a substantial part of the statutes in either printed or electronic format must obtain prior permission of the Committee on Legal Services; permission is not required to reprint fewer than 200 sections of C.R.S. (§2-5-118, C.R.S.).

The Lexis Nexis website is the only official source of the Colorado Revised Statutes.

Instructions for using Lexis Nexis

Colorado Code of Regulations (CCR) For Animal Health 

Colorado Code of Regulations (CCR) for Livestock Disease Control

8 CCR 1201-19 Livestock Disease Control 

Part Title Pages
1 Definitions 1 - 3
2 Standards for Certificates of Veterinary Inspection 3 - 5
3 Commuter Agreement 5 - 7
4 Standards for Colorado Approved Feedlots 7 - 9
5 Bovine Tuberculosis 9 - 15
6 Sheep Brucellosis 16 - 18
7 Cattle and Bison Brucellosis 18 - 20
8 Equine Infectious Anemia 20 - 24
9 Swine Health, Pseudorabies, and Brucellosis 24 - 25
10 Trichomoniasis 26 - 31
11 Equine Viral Arteritis 32 - 36
12 Reportable Diseases 37
13 Rule Exception 37
14 - 15 Reserved 37
16 Statements of Basis, Specific Statutory Authority and Purpose 38 - 47