title: Nutritional secondary hyperparathyroidism in captive psittacine birds.
mesh_terms: D000818:Animals; D010367:Arachis; D001715:Bird Diseases / Q000209:etiology*; D001835:Body Weight; D002523:Edible Grain; D005260:Female; D006961:Hyperparathyroidism / Q000473:pathology / Q000662:veterinary*; D008297:Male; D009748:Nutrition Disorders / Q000662:veterinary*; D009929:Organ Size; D010018:Osteomalacia / Q000473:pathology / Q000662:veterinary; D011563:Psittaciformes; D012639:Seeds