Beginning in early 2024, Highly Pathogenic Avian Influenza (HPAI) has been detected in U.S. dairy herds, threatening milk production. Yet little is known about how the virus spreads in cows. The Foundation for Food & Agriculture Research (FFAR) and Michigan State University (MSU) are investing $225,201 into a Rapid Outcomes from Agricultural Research (ROAR) grant to understand how HPAI is transmitted in dairy cows.
Infected dairy cows experience sudden drops in milk production, lowering milk quality and causing significant economic losses for farmers. Cases of HPAI have also been observed spilling over from cattle to dairy workers. The level of risk for dairy workers from this novel spillover transmission poses and how it occurs is still under study.
Researchers led by Dr. Catalina Picasso, MSU assistant professor of large animal clinical sciences at the College of Veterinary Medicine, are detecting and quantifying the risk of environmental HPAI transmission for animals and humans by mapping results from animals and air samples collected at dairy farms experiencing cases of avian influenza.
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