Description
Bovalto Risp 3 – For active immunisation of cattle in the absence of maternally derived antibodies against: – parainfluenza 3 virus, to reduce virus excretion due to infection – bovine respiratory syncytial virus, to reduce virus excretion due to infection – Mannheimia haemolytica serotype A1, to reduce clinical signs and lung lesions. Onset of immunity (demonstrated by challenge): 3 weeks after primary vaccination Duration of immunity (demonstrated by challenge):6 months after primary vaccination.