Mycoplasma gallisepticum infection in germfree and conventional chickens: experimental studies with a culture of low virulence.
D000818:Animals; D005856:Germ-Free Life; D006385:Hemagglutination Inhibition Tests; D009174:Mycoplasma; D011201:Poultry Diseases / Q000382:microbiology* / Q000473:pathology*; D012141:Respiratory Tract Infections / Q000382:microbiology / Q000473:pathology / Q000662:veterinary*; D014132:Trachea / Q000382:microbiology