The number of California dairy herds reported to have outbreaks of H5N1 bird flu has grown to eight.
With producers reluctant to test their sick cattle, state must mandate testing of milk storage tanks for the virus.
Bird flu typically spreads among birds, but there have been recent outbreaks among cattle in the U.S., and one Texas man ...
State and federal officials have identified new cases of avian influenza at three Central Valley dairies as the number of ...