title: Ascaridia galli (Nematoda): development and survival in gnotobiotic chickens.
mesh_terms: D000818:Animals; D001196:Ascariasis / Q000662:veterinary*; D001197:Ascaridia / Q000254:growth & development*; D001409:Bacillus cereus / Q000302:isolation & purification; D001412:Bacillus subtilis / Q000302:isolation & purification; D002645:Chickens; D005856:Germ-Free Life; D007422:Intestines / Q000382:microbiology; D010407:Penicillium / Q000302:isolation & purification; D011201:Poultry Diseases; D013997:Time Factors