The New pseudorinderpests.

aetiology analyse microbiologique antibodies anticorps anticuerpos antigene antigens bovidae diagnosis diagnostic diarrea diarrhoea disease transmission etiologia etiologie hosts identification membrana mucosa microbiological analysis mucous membrane muqueuse pathogens peste bovina peste bovine rhinotracheitis rinderpest rinotraqueitis transmission des maladies vaginite vaginitis virus viruses