title: Crooked beak in a 14-month-old ostrich (Struthio camelus) hen.
authors: R G
authors: RG
authors: Cooper
authors: J O
authors: JO
authors: Horbańczuk
mesh_terms: D000824:Animal Nutritional Physiological Phenomena; D000818:Animals; D001502:Beak / Q000002:abnormalities*; D005260:Female; D012643:Selenium / Q000172:deficiency; D020310:Struthioniformes / Q000002:abnormalities*; D014808:Vitamin D Deficiency / Q000150:complications / Q000662:veterinary
chemical_list: D012643:Selenium