USDA confirms cow-to-cow transmission a factor in bird flu spread
By Tom Polansek CHICAGO (Reuters) – The U.S. Department of Agriculture said this week that cow-to-cow transmission is a factor in the spread of bird flu in dairy herds, but…
By Tom Polansek CHICAGO (Reuters) – The U.S. Department of Agriculture said this week that cow-to-cow transmission is a factor in the spread of bird flu in dairy herds, but…