title: Assessment of seropositivity to porcine reproductive and respiratory syndrome (PRRS) virus in swine herds in Ontario--1978 to 1982.
authors: Ontario Ministry of Agriculture, Food and Rural Affairs, Veterinary Laboratory Services Branch, Guelph.
authors: S
authors: S
authors: Carman
authors: S E
authors: SE
authors: Sanford
authors: S
authors: S
authors: Dea
mesh_terms: D000818:Animals; D000914:Antibodies, Viral / Q000032:analysis*; D018018:Arterivirus / Q000276:immunology*; D018174:Arterivirus Infections / Q000453:epidemiology / Q000276:immunology / Q000662:veterinary*; D004196:Disease Outbreaks / Q000662:veterinary*; D004797:Enzyme-Linked Immunosorbent Assay / Q000662:veterinary; D005260:Female; D019084:Fluorescent Antibody Technique, Indirect / Q000662:veterinary; D005831:Genital Diseases, Female / Q000453:epidemiology / Q000276:immunology / Q000662:veterinary*; D005832:Genital Diseases, Male / Q000453:epidemiology / Q000276:immunology / Q000662:veterinary*; D008297:Male; D009864:Ontario / Q000453:epidemiology; D012141:Respiratory Tract Infections / Q000453:epidemiology / Q000276:immunology / Q000662:veterinary*; D013552:Swine; D013553:Swine Diseases / Q000453:epidemiology* / Q000276:immunology
chemical_list: D000914:Antibodies, Viral