The Latest H5N1 Milk Testing Update

In the last 30 days, the U.S. Department of Agriculture (USDA) has confirmed highly pathogenic avian influenza (HPAI), or H5N1, in:

• No cases in poultry in any state.
• Four cases in livestock in one state.

Access the lists of detections in poultry and livestock.

To date, there have been no H5N1 detections in livestock in Wisconsin. 

Wisconsin and the National Milk Testing Strategy

With help from industry partners, Wisconsin is sampling milk at the farm level for the mandatory USDA Animal and Plant Health Inspection Service (APHIS) National Milk Testing Strategy (NMTS) with the goal of testing each farm approximately every month. DATCP expects to continue to be able to utilize samples that are already collected for routine milk testing to streamline the testing process.

To date, more than 8,800 milk samples have been tested as part of the NMTS. H5N1 has not been detected in any of the samples. These tests represent nearly all licensed dairies in Wisconsin, with remaining verifications underway to ensure complete statewide reach. The DATCP H5N1 in Dairy Cattle webpage will continue to be updated weekly as the testing continues.