Immunization against Mycoplasma gallisepticum.
D000005:Abdomen; D000372:Agglutination Tests; D000400:Air Sacs / Q000276:immunology; D000818:Animals; D001428:Bacterial Vaccines; D002645:Chickens; D006386:Hemagglutination Tests; D007275:Injections, Intravenous; D009174:Mycoplasma / Q000472:pathogenicity; D009175:Mycoplasma Infections / Q000517:prevention & control*; D009666:Nose; D011201:Poultry Diseases / Q000517:prevention & control*; D014611:Vaccination / Q000662:veterinary*
D001428:Bacterial Vaccines