title: A long-term epizootiological study of chicken salmonellosis on a farm with reference to elimination of paratyphoid infection by cloacal swab culture test.
mesh_terms: D000818:Animals; D002353:Carrier State / Q000175:diagnosis; D002645:Chickens; D002988:Cloaca / Q000382:microbiology; D008722:Methods; D010284:Paratyphoid Fever / Q000175:diagnosis / Q000662:veterinary*; D011201:Poultry Diseases / Q000175:diagnosis* / Q000453:epidemiology*; D051381:Rats; D012475:Salmonella / Q000302:isolation & purification; D012481:Salmonella Infections, Animal / Q000175:diagnosis* / Q000453:epidemiology*; D013997:Time Factors