Egg-layer farms are getting ready to restock now after the highly pathogenic avian influenza (HPAI) strain that broke out in Iowa this past April. However, USDA is preparing for a potential return of the virus this fall when the migratory birds fly south for the winter. Bird Flu Recovery, Restocking and Prevention Egg-layer farms are getting ready to restock now after the highly pathogenic avian influenza (HPAI) strain that broke out in Iowa this past April. The last case was reported four weeks ago, but USDA Secretary Tom Vilsack said he's not ready to declare the outbreak over. His department is actually preparing for a potential return of the virus this fall when the migratory birds fly south for the winter and has announced a few proc...