Iowa Gov. Terry Branstad last week declared a state of emergency for all of Iowa after a flurry of the state’s poultry farms were hit with avian flu.

"This particular avian influenza is a disaster emergency that we need to take very seriously," Branstad said during a press conference on May 1. "We need to do everything we can to try to minimize the loss to help the people that are affected."

The number of Iowa chicken, turkey ...