title: Debilitating syndrome in budgerigars (Melopsittracus undulatus).
mesh_terms: D000818:Animals; D001715:Bird Diseases; D002177:Candidiasis / Q000662:veterinary; D003048:Coccidiosis / Q000662:veterinary; D005873:Giardiasis / Q000662:veterinary; D010240:Parakeets; D011563:Psittaciformes; D013203:Staphylococcal Infections / Q000662:veterinary; D013577:Syndrome / Q000662:veterinary