title: A comparison of commercial Mycoplasma gallisepticum antigens in the rapid serum agglutination test.
abstract: Twenty-three chickens, aged 9 weeks, were housed in contact with a similar group of chickens which were infected with M. gallisepticum. The onset and development of the serum agglutinin responses which were detected by 3 commercial antigens using rapid serum agglutination tests up to 20 weeks of age, differed greatly both between the infected and in-contact groups and, within the latter group, between the antigens. Few reactions, which were weak and transient, were detected in 2 similar groups of chickens, neither infected with M. gallisepticum but 1 vaccinated at 12 and 17 weeks of age with killed Pasteurella multocida oil adjuvant vaccine.
mesh_terms: D000372:Agglutination Tests; D000818:Animals; D000942:Antigens, Bacterial; D002645:Chickens; D009174:Mycoplasma / Q000276:immunology*; D009175:Mycoplasma Infections / Q000175:diagnosis / Q000662:veterinary*; D011201:Poultry Diseases / Q000175:diagnosis*
chemical_list: D000942:Antigens, Bacterial