FRANKFORT, Ky. (AP) -- State and federal authorities are investigating an outbreak of bird flu on a poultry farm in western Kentucky.
State Veterinarian Robert C. Stout said the strain discovered is "nonpathogenic or low-pathogenic" and poses a minimal risk to human health. Stout said it is not the "high pathogenic strain" associated with human and poultry deaths in other countries.
Stout quarantined the farm, which produces hatching eggs for Salisbury, Md.-based Perdue Farms Inc. He said some 20,000 chickens on the farm have been euthanized.
The Kentucky Department of Agriculture is conducting surveillance on backyard flocks within a two-mile radius of the farm.
Avian influenza is a virus that spreads by direct contact with infected birds.
(Copyright 2009 by The Associated Press. All Rights Reserved.)
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