USDA orders testing of entire milk supply nationwide for bird flu

PETALUMA, CALIFORNIA - APRIL 26: A cow grazes in a field at a dairy farm on April 26, 2024 in Petaluma, California. The U.S. Department of Agriculture is ordering dairy producers to test cows that produce milk for infections from highly pathogenic av

The U.S. Department of Agriculture (USDA) issued a new order requiring raw, or unpasteurized, milk nationwide to be tested for bird flu. 

What we know

On Friday, the USDA Animal and Plant Health Inspection Service (APHIS) announced it will be implementing its National Milk Testing Strategy to help combat the spread of bird flu in dairy cattle across the country. 

Along with the new strategy, the USDA issued a federal order that requires raw milk samples nationwide to be collected and shared with USDA for testing of the highly pathogenic bird flu. The Federal Order was issued so the USDA can monitor the spread of bird flu in the nation's milk, and help contain the spread of the illness. 

READ MORE: 1st human death of bird flu strain H5N2 confirmed, WHO says

What does the federal order require? 

According to the USDA, the federal order will require dairy farmers and any who handle raw milk that intends to be pasteurized to provide samples of milk upon request for testing for bird flu. 

The order will also require reporting of any positive bird flu test to the USDA, and provide information to allow for contact tracing of the illness in dairy cattle. 

This federal order will not override the USDA's previous federal order issued on April 24, which requires mandatory testing of lactating dairy cows before moving between states, and requires reporting of any positive tests. 

RELATED: Bird flu in cows: 1 in 5 pasteurized milk samples had traces of virus, FDA says

The testing under the federal order and the National Milk Testing Strategy will begin on Dec. 16. 

Find out more about the National Milk Testing Strategy here. 

Background

According to the Associated Press (AP), since bird flu was detected in dairy cattle for the first time in March, more than 700 herds have been infected across 15 states. 

In Minnesota, bird flu was detected in a Benton County dairy cow herd in June. 

Bird flu has also spread among wild birds, poultry and other animals. 

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