Egg producers in parts of Weld County will have to stop the movement of their chickens until further notice after the state ...

A case of bird flu has been confirmed in Weld County.

A new nasal spray vaccine for H5N1 bird flu has shown promising early results, raising hopes it could one day be used to help ...

A commercial egg laying flock in Colorado and a commercial broiler flock in Maryland are the United States’ most recent ...

The California condor nearly went extinct, and remains imperiled by the threat of poisoning from lead ammunition.

Secretary of Agriculture Mike Naig spoke to a House appropriations subcommittee Thursday about the state's local food marketing program, the department's ongoing work to combat foreign animal diseases ...

A highly pathogenic strain means outbreaks in the last four months have already surpassed last year's total.

More poultry will be "humanely culled" after a case of bird flu was confirmed in a flock in Suffolk. The Department for ...

Colorado quietly flipped into disaster mode Thursday night, after a suspected bird flu outbreak at a massive Weld County egg ...

Researchers at WashU Medicine have developed a nasal vaccine against the highly pathogenic H5N1 avian influenza virus, or bird flu, which has jumped from wild birds to livestock to humans.

Colorado officials declared a disaster emergency after a presumptive bird flu outbreak hit a facility with 1.3 million ...

State officials are confirming a suspected outbreak of avian flu among chickens at a large commercial egg farm in Weld County ...