All poultry diagnosed at an approved laboratory as infected with LPAI must be traced back to the flock or farm of origin.
All flocks having contact with affected or exposed poultry as determined by the designated epidemiologist must be investigated epidemiologically. All farms of origin and flocks having contact with affected or exposed poultry must be quarantined, pending the results of the epidemiological investigation.
Iowa Admin. Code r. 21-64.189