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.
[Change management: career change] Outbreak may have started a month ago after mysterious illness affected 40 per cent of Texas dairy cattle
Alberta Milk issues new biosecurity, human safety guidelines
Michigan and Idaho become fourth and fifth state to confirm virus in dairy cattle
Migrating birds like ducks and geese a likely vector for the disease
U.S. officials say threat to the public is low; cows don't appear to spread infection within herd
NDSU advises keeping livestock separate from potentially-infected poultry
Mammal-to-mammal transmission of virus likely but unconfirmed, scientists say