Requirements are subject to change as conditions warrant. This information is current as of July 16, 2026
Movement Alert:
New World Screwworm (NWS) has been identified in the southern U.S. It has
not
been identified in Wisconsin. In response to cases of NWS in other states, Wisconsin has additional requirements for warm-blooded animals moving from states with active NWS infested zones. Visit the
NWS website for additional information on movement requirements and resources.
Cattle from Within Wisconsin
May 1, 2026: Influenza A virus testing state order for fairs, shows, and exhibitions rescinded. The June 2024 state order requiring individual cow HPAI testing prior to attending fairs and exhibitions in Wisconsin has been rescinded. Lactating dairy cattle from Wisconsin attending Wisconsin fairs, shows, and other events for exhibition are no longer required to have an individual HPAI test
Only essential movements of dairy cattle are recommended.
There are no requirements for additional identification or tests or for health documents for cattle from within Wisconsin, unless required by the fair or show.
Cattle from Outside Wisconsin
Must be accompanied by certificate of veterinary inspection (CVI) documenting official animal identification (ID) and all required tests and certifications
Must meet all of Wisconsin’s
normal requirements for import
Must have official individual ID, including steers
Acceptable Official IDs for Cattle
-
USDA 840 Animal Identification Number (AIN) RFID tag (15-digit RFID tag starting with 840)
-
AIN RFID tags from other countries (15-digit RFID tag starting with 124 for Canadian origin cattle and bison, for example)
-
AIN RFID replacement tags for cattle and bison from other countries (15-digit RFID tag starting with 964 that is Lime Green and Blue and has IMP printed on it) - indicate “import tag" on the CVI
- If applied before November 5, 2024: USDA ear tag number that is part of the National Uniform Eartagging System (NUES) (9-digit alphanumeric number that starts with state 2-digit code, both the metal silver “brite" tag and the metal orange brucellosis vaccination tag (e.g. 35ABC1234))
- If applied before November 5, 2024: USDA 840 AIN Visual tag (15-digit visual only tag starting with 840)
- If applied before March 11, 2015: American ID tag (8-12-digit number prefaced with "USA")
- If applied before March 11, 2015: Manufacturer-coded RFID tag (15-digit number with the first three digits in a 900 series, such as 980, 982 or 985)
New World Screwworm Requirements for Cattle from Outside Wisconsin
If cattle originate in a state where New World Screwworm (NWS) has been identified, see additional requirements: NWS webpage
Influenza A Virus Requirements for Cattle from Outside Wisconsin
Effective April 29, 2024, lactating dairy cattle moving across state lines are required by a USDA Federal Order to test negative for Influenza A virus, with a sample collection date within seven days prior to interstate movement.
In addition, effective June 19, 2024, lactating dairy cattle being moved to fairs, shows or other organized events for exhibitions in Wisconsin are required by Wisconsin Summary Special Order 24-O-003 to test negative for Influenza A virus, with a sample collection date within seven days prior to movement to the event.
Testing to return to the farm of origin is not required if the event lasts no more than 10 days unless your state of origin has additional requirements.
Only essential movements are recommended. Premovement testing of nonlactating animals and beef cattle is not required at this time.
Brucellosis Requirements for Cattle from Outside Wisconsin
There are no requirements for brucellosis testing or vaccination.
Tuberculosis (TB) Requirements for Cattle from Outside Wisconsin
Cattle from Canada, Mexico, and Other Countries