title: Feather pecking in adult laying hens: can it be associated with pecking at inanimate objects?
authors: Roslin Institute, Edinburgh, Roslin, Midlothian, Scotland.
authors: C E
authors: CE
authors: Channing
authors: P M
authors: PM
authors: Hocking
authors: R B
authors: RB
authors: Jones
mesh_terms: D000374:Aggression; D000818:Animals; D002645:Chickens; D005241:Feathers; D005260:Female; D012919:Social Behavior