what could have killed my chickens
Millions Of Chickens To Be Killed As Bird Flu Outbreak Puzzles Industry. Millions Of Chickens To Be Killed As Bird Flu Outbreak Puzzles Industry. Chickens stand in their cages at a farm near Stuart, Iowa, in 2009. This week, bird flu hit a large poultry facility in Iowa. It's not clear how the virus is evading the industry's biosecurity efforts.