The incidence of Mycoplasma gallisepticum, Salmonella pullorum, Salmonella typhimurium, and Newcastle disease virus antibodies in certain Wisconsin chickens.
D000818:Animals; D006385:Hemagglutination Inhibition Tests; D009174:Mycoplasma; D009521:Newcastle Disease / Q000453:epidemiology / Q000662:veterinary*; D011201:Poultry Diseases / Q000453:epidemiology*; D012481:Salmonella Infections, Animal / Q000453:epidemiology*; D014922:Wisconsin