Evaluation of a quadrivalent inactivated vaccine for the protection of cattle against diseases due to common viral infections

afrique du sud antibodies anticorps anticuerpos bovin bovine diarrhoea pestivirus bovine herpesvirus bovine respiratory syncytial virus cattle ganado bovino herpes virus bovino herpesvirus bovin immunity immunité inmunidad pestivirus de la diarrea bovina pestivirus maladie des muqueuses south africa sudáfrica vaccin vaccines vacuna virus sincitial respiratorio bovino virus syncytial respiratoire bovin