A dairy cow on a southwest Minnesota farm. Minnesota will be among the next group of states to start mandatory testing of milk from dairy farms for the H5N1 virus.

Milk from Minnesota dairy farms to undergo mandatory testing for bird flu Avian influenza has been confirmed in dairy cattle in 16 states, including Minnesota.

Stephanie Sy: Since July, Colorado has mandated weekly bird flu testing of bulk milk samples from its licensed dairies.

USDA Will Begin Mandatory Milk Testing for Bird Flu Bird flu has been seen in more than 500 dairy herds in California and 700 across the country.

The U.S. government has ordered testing of the nation's milk supply for bird flu to better monitor the spread of the virus in dairy cows.

The U.S. issued a federal order Friday mandating bird flu testing for the national milk supply, as the virus continues its rapid spread among dairy herds.

The U.S. government on Friday ordered testing of the nation’s milk supply for bird flu to better monitor the spread of the virus in dairy cows. Raw or unpasteurized milk from dairy farms and … ...

The U.S. government orders milk testing to control bird flu spread in dairy cows. Find out what this means for your milk.

The U.S. government orders milk testing to control bird flu spread in dairy cows. Find out what this means for your milk.

The U.S. government mandates testing of the milk supply for bird flu in six states to control the H5N1 virus in dairy cows.

The U.S. government orders milk testing to control bird flu spread in dairy cows. Find out what this means for your milk.