title: Fourth stage Ascaridia spp. larvae associated with high mortality in turkeys.
mesh_terms: D000818:Animals; D007411:Intestinal Diseases, Parasitic / Q000401:mortality / Q000662:veterinary*; D007814:Larva; D008675:Metamorphosis, Biological; D009348:Nematoda; D009349:Nematode Infections / Q000401:mortality / Q000662:veterinary*; D011201:Poultry Diseases / Q000401:mortality; D014422:Turkeys