Reportable Poultry Diseases in Illinois

In Illinois, poultry producers must report specific diseases to state or federal authorities to support early detection and protect the broader poultry industry. Reporting suspected cases early helps authorities respond quickly and protect surrounding poultry operations.

Contact information for the relevant state authorities is provided below, along with a list of diseases that must be reported. Producers should notify the appropriate office if they observe signs consistent with a reportable disease.

Reportable Diseases + Contacts List

Last Updated :
November 2025
PRIMARY CONTACT

Mark Ernst

State Veterinarian
(217) 782-4944
mark.ernst@illinois.gov
P.O. Box 19281, Springfield, IL 62794-9281

Dr. Mark Ernest

NPIP OSA Contact
(217) 782-4944
mark.ernst@illinois.gov
801 E. Sangamon Ave., P.O. Box 19281, Springfield IL, 62794

Suzett Hexum

Regional USDA Contact
(217) 547-6030
suzett.hexum@usda.gov
3410 Hedley Rd., Springfield, IL 62711

Other Regional Contact
Report Immediately

Avian encephalomyelitis

Avian Influenza (HPAI and H5/H7 LPAI)

Chlamydia psittaci (Chlamydiosis)

Infectious Laryngotracheitis

Mycoplasma gallisepticum *

Mycoplasma synoviae *

Salmonella enteritidis

Salmonella gallinarum (Fowl Typhoid)

Salmonella pullorum (Pullorum disease)

Salmonella typhimurium

Exotic (Virulent) Newcastle Disease

Newcastle Disease

West Nile Virus

Report Within 24 Hours
Report Next Business Day
Report Within 2 Days
Report Within 3 Days
Report Within 5 Days
Report Within 7 Days
Report Within 10 Days
Report Within 15 Days
Report Within 30 Days
* Turkey Only  ** Breeder Only  ***Egg-Layer Only

Please note, this information is for reference only. For more information on any of the details provided, review your local state regulatory website. Wilson Veterinary Co. LLC is not responsible for legal compliance with reporting diseases in all 50 states or for producers we do not work with.