Migratory waterfowl are to blame for widening avian flu outbreaks in Texas cows and poultry, and wild birds carrying the virus should be heading north soon, state Agriculture Commissioner Sid Miller said. The US government has reported cases of the disease in seven dairy herds in Texas since last week, making it the state most affected by the country’s first-ever outbreaks in cattle. It also renewed concerns about highly pathogenic avian influenza, or HPAI, which has wiped out tens of
