By Tom Polansek and Julie Steenhuysen CHICAGO (Reuters) - Bird flu likely circulated in U.S. dairy cows on a limited basis for about four months before federal officials confirmed the disease that has now spread to nine states, according to a new f.
By Tom Polansek and Julie Steenhuysen CHICAGO (Reuters) - Bird flu likely circulated in U.S. dairy cows on a limited basis for about four months before federal officials confirmed the disease that has now spread to nine states, according to a new f.
By Tom Polansek and Julie Steenhuysen CHICAGO (Reuters) - Bird flu likely circulated in U.S. dairy cows on a limited basis for about four months before federal officials confirmed the disease that has now spread to nine states, according to a new f.
By Tom Polansek and Julie Steenhuysen CHICAGO (Reuters) - Bird flu likely circulated in U.S. dairy cows on a limited basis for about four months before federal officials confirmed the disease that has now spread to nine states, according to a new f.
By Tom Polansek and Julie Steenhuysen CHICAGO (Reuters) - Bird flu likely circulated in U.S. dairy cows on a limited basis for about four months before federal officials confirmed the disease that has now spread to nine states, according to a new f.