The prevalence of bovine viral diarrhoea in the Metropolitan region, Chile

animal diseases bovin bovine diarrhoea pestivirus cattle chile chili diarrea diarrhoea disease surveys encuestas sanitarias enfermedades de los animales epidemiologia epidemiologie epidemiology ganado bovino maladie des animaux pestivirus de la diarrea bovina pestivirus maladie des muqueuses virose viroses virosis