Bird flu has been detected in Arizona dairy cattle milk, and a dairy farm has been placed under quarantine as a precaution, according to officials.

A sample of milk from a herd of dairy cows in Maricopa County has tested positive for H5N1 avian influenza, or bird flu, according to the Arizona Department of Agriculture.

Another spillover of the H5N1 bird flu virus from wild birds to dairy cattle appears to have occurred, this time in Arizona.

Pennsylvania has become the first major dairy-producing state in the United States to be declared free of Highly Pathogenic Avian Influenza (HPAI) in its milk supply, according to the USDA. […] ...

Bird flu was first detected in dairy cows just under a year ago. But according to experts, the virus may have been in cattle even longer.

Bird flu takes toll on farmersBlood testing of large-animal veterinarians suggests that H5N1 bird flu has spread more widely than US surveillance of the virus is capturing, according to a new study by ...

Heifer prices have been increasing as the supply tightens. The main reason is the desire to breed beef-on-dairy to supplement ...

Bird flu continues to be a major concern in Pennsylvania. Secretary of Agriculture Russell Redding said that six flocks, totaling about 2.9 million birds, have been affected by highly pathogenic avian ...

University of California researchers have found that acidification can kill H5N1 in waste milk, providing dairy farmers an ...

Pennsylvania has become the first major dairy producing state to achieve HPAI-free status from the USDA for its milk supply.

Three dairy veterinarians, including one who worked only in states with no known bird flu outbreaks in cows, had recent, ...