title: [Picture report no 15. So-called owl head in a laying hen].
mesh_terms: D000400:Air Sacs / Q000473:pathology; D000818:Animals; D002645:Chickens; D005260:Female; D010496:Pericardium / Q000473:pathology; D011201:Poultry Diseases / Q000473:pathology*; D012886:Skull / Q000473:pathology
vernacular_title: Bildbericht Nr. 15. Sogenannter "Eulenkopf" bei einer Legehenne.