Weekly global protein digest: Study reveals widespread H5N1 infection in cattle Livestock analyst Jim Wyckoff reports on global protein newsStudy reveals widespread H5N1 infection in cattleA new study indicates that the H5N1 bird flu virus is more prevalent in dairy cows than previously reported. The destinations were primarily to South Korea (4,400 MT), Japan (4,400 MT), China (2,500 MT), Mexico (1,700 MT), and Taiwan (900 MT). Over the first two months of 2025, exports reached 911,400 tonnes (+13.6%), with revenue climbing 22% to $1.7 billion. Cheesemakers in the Central region share balanced milk availability with spot milk prices ranging from $1.50 below Class III to flat Class. Dry whole milk prices decreased, as milk output begins its seasonal push higher.