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Stockyards size impact of bird flu testing
bird flu and cows
At Overland Stockyard in Hanford, a group of Holstein dairy heifers move through the auction ring. Livestock auction yards are affected by a new federal order that requires all lactating dairy cows test negative for avian influenza before interstate movement. Heifers are not included in the mandate (Photo by Cecilia Parsons).
Efforts to better understand and curb the spread of H5N1 avian influenza in dairy cows have livestock auction yards in a scramble as new federal testing requirements took effect last week.