[Eradication of chronic swine diseases in the USA by establishing specific-pathogen-free herds].
D000818:Animals; D001947:Breeding; D004812:Epidemiologic Methods / Q000662:veterinary; D005260:Female; D005856:Germ-Free Life; D007044:Hysterectomy / Q000662:veterinary; D009329:Nebraska; D011790:Quarantine; D013552:Swine; D013553:Swine Diseases / Q000517:prevention & control*; D014481:United States
Die Tilgung chronischer Schweinekrankheiten durch den Aufbau spezifisch pathogen-freier Bestände in den USA.