An epidemiological study of the incidence of salmonellas in pigs.
D000383:Agriculture; D000821:Animal Feed; D000818:Animals; D004739:England; D005243:Feces / Q000382:microbiology; D005260:Female; D005516:Food Microbiology; D005525:Food-Processing Industry; D008297:Male; D008460:Meat; D012475:Salmonella / Q000302:isolation & purification; D012481:Salmonella Infections, Animal / Q000453:epidemiology*; D013552:Swine; D013553:Swine Diseases / Q000453:epidemiology*