Recently disclosed violations included meat and fat residue left on walls, green mold, and 'general filth' in several of the food company's plants over a six-year period.

Government inspectors documented unsanitary conditions at several Boar’s Head deli meat plants, not just the factory that was shut down last year after a deadly outbreak of listeria poisoning, federal records show.

Newly released reports from Boar's Head plants in New Castle, Indiana; Forrest City, Arkansas; and Petersburg, Virginia, described multiple instances of meat and fat residue left on equipment and walls,

Department of Agriculture inspectors cited unsanitary conditions at a number of Boar's Head plants, beyond the one closed due to a deadly listeria outbreak, reports show.