H5N1 Concerns Grow: MDA and partners testing herds monthly

The Minnesota Department of Agriculture (MDA), working with state government and industry partners, are sampling and testing raw cow’s milk for the H5N1 flu virus to identify where the virus is present, monitor trends, and prevent its spread to unaffected dairy herds and poultry flocks around the state.

“H5N1 is an emerging disease in dairy cattle, and conducting disease surveillance supports the state’s ability to effectively respond to outbreaks and limit the potential impact on the livestock and poultry industries, as well as on public health,” said MDA Commissioner Thom Petersen.

There is no concern for the safety of the public milk supply, as all milk sold in stores is pasteurized to kill bacteria and viruses, and pasteurization has been shown to effectively eliminate active H5N1 virus present in milk.

People and pets should not consume unpasteurized (raw) milk, raw milk cheeses, or raw or undercooked meat from animals with suspected or confirmed H5N1 virus infection. All raw dairy products may contain harmful bacteria, parasites, or viruses which can cause illness.

The MDA will order the testing of raw milk samples already collected from each of Minnesota’s approximately 1,600 dairy farms on a monthly basis. These routinely collected bulk milk samples, which are taken before the pasteurization process, will be sub-sampled by industry labs and sent for H5N1 testing to the Minnesota Veterinary Diagnostic Lab (MVDL) at the University of Minnesota.....

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