Iowa
More than 4 million chickens to be killed in Iowa after officials detect bird flu on farm
The steep loss from the top egg-producing state triggered a disaster proclamation from Iowa's governor.
A case of highly pathogenic avian influenza has been detected among a massive flock of egg-laying chickens in Sioux County, Iowa, officials confirmed. Officials confirmed to CBS News that 4.2 million birds were impacted and will be killed.
The Iowa D... [1971 chars]