A version of the avian influenza virus different from the one rampaging through herds since last spring has been detected in dairy cows in Nevada, USDA says. Dairy cows in Nevada have been infected ...

A line of Holstein dairy cows feed through a fence at a farm outside Jerome, Idaho, in 2009. (Charlie Litchfield / Associated Press) A version of the H5N1 bird flu virus that killed a person in ...

To have a fulfilling life, cows arguably must be allowed outside. But what constitutes a ‘free-range’ cow is ambiguous. For optimum welfare, farmers must balance time outdoors and time indoors. While ...

A new version of the H5N1 bird flu virus has been detected in milk samples collected from dairy herds in Nevada. The strain, known as D1.1, had so far been associated only with migrating birds and ...

A version of the H5N1 bird flu virus that killed a person in Louisiana and severely sickened a teenager in Canada has now been detected in dairy herds in Nevada. The version, known as D1.1, is ...