A bird flu outbreak in U.S. dairy cows has spread to more than two dozen herds in eight states.
FILE - A line of Holstein dairy cows feed through a fence at a dairy farm in Idaho on March 11, 2009. As of April 11, 2024, a strain of the highly pathogenic avian influenza, or HPAI, that has killed millions of wild birds in recent years has been found in at least 24 dairy cow herds in eight U.S. states: Texas, Kansas, New Mexico, Ohio, Idaho, Michigan and North Carolina and South Dakota. Health officials stress that the risk to the public is low and that the U.S.
U.S. producers are barred from selling milk from sick cows and must divert and destroy it. In addition, milk sold across state lines is required to be pasteurized, or heat-treated using a process that kills bacteria and viruses, including influenza. So far, no herds linked to raw milk providers have reported cows infected with bird flu, but the agencies recommend that the industry not make or sell raw milk or raw milk cheese products made with milk from cows that show symptoms — or are exposed to infected cows.
The largest egg producer in the U.S. temporarily halted operations on April 2 after finding bird flu in its chickens. Cal-Maine Foods culled about 1.6 million laying hens and another 337,000 pullets, or young hens, after the detection.Eggs that are handled properly and cooked thoroughly are safe to eat, said Barbara Kowalcyk, director of the Center for Food Safety and Nutrition Security at George Washington University.Still, Kowalcyk and others cautioned that the situation could change.
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