Officials have not confirmed why the wall is being built or when the cull will happen. Belinski said that about 30 minutes before the arrest Pasitney told him they were being allowed to feed the animals. It said a source of infection or reinfection with avian influenza can remain in the environment long after individual infected birds have recovered. "They are going to make corrals of hay bales, and they're going to dart or shoot our animals to death. The bales had arrived around the time she returned to the farm after she was released from police custody.