Some poultry growers are turning to innovative tactics to protect their flocks, deploying deterrents like drones, air horns, balloons and decoy predators.
The case adds another worrying wrinkle to a global outbreak that has devastated bird and marine mammal populations, and recently appeared in cattle herds.
The case adds another worrying wrinkle to a global outbreak that has devastated bird and marine mammal populations, and recently appeared in cattle herds.