title: [Social hierarchy of laying hens kept in the usual cages].
mesh_terms: D000378:Agonistic Behavior; D000818:Animals; D002645:Chickens; D005247:Feeding Behavior; D005260:Female; D006608:Hierarchy, Social; D006799:Housing, Animal; D012930:Social Dominance
vernacular_title: Zur Frage der sozialen Rangordnung von Legehennen in üblicher Käfighaltung.