Intestinal parasitism in budgerigars.
D000818:Animals; D001715:Bird Diseases / Q000469:parasitology*; D003048:Coccidiosis / Q000662:veterinary; D005873:Giardiasis / Q000662:veterinary; D007411:Intestinal Diseases, Parasitic / Q000662:veterinary*; D010240:Parakeets / Q000469:parasitology*; D011563:Psittaciformes / Q000469:parasitology*