title: Serological survey for Aujeszky's disease in native sows of Canada.
abstract: A serological survey was initiated to uncover subclinical foci of infection with pseudorabies virus. A total of 2819 serum samples, collected from sows during February to November 1977, were found negative for antibodies to pseudorabies virus.
mesh_terms: D000818:Animals; D000914:Antibodies, Viral / Q000032:analysis*; D002170:Canada; D011558:Herpesvirus 1, Suid / Q000276:immunology*; D011557:Pseudorabies / Q000276:immunology / Q000662:veterinary*; D013552:Swine; D013553:Swine Diseases / Q000276:immunology*
chemical_list: D000914:Antibodies, Viral