Molecular and immunodiagnostic investigations on bovine neosporosis in Switzerland

abortion aborto aetiology animal diseases antigene antigens avortement bovin laitier brain calves cerebro dairy cattle diagnosis diagnostic disease prevalence elisa encuestas enfermedades de los animales etiologia etiologie feto foetus ganado de leche immunodiagnosis immunodiagnostic immunofluorescence immunologie immunology inmunofluorescencia maladie des animaux morbidite morbidity morbosidad neospora caninum pcr polymerase chain reaction suisse suiza surveys switzerland ternero test elisa toxoplasma veau