Masic, A., Sobecki, B., Mahan, S., Brice, C., Mattern, S., Meinert, T., Correas, I., Moulin, V. and Ellis, J. 2021. Efficacy of a combination modified-live IBR-BVD-PI3- BRSV vaccine + Mannheimia haemolytica toxoid against challenge with virulent bovine respiratory syncytial virus (BRSV) in young calves 60 days of age. The Bovine Practitioner. 55, 1 (Feb. 2021), 13–19. DOI:https://doi.org/10.21423/bovine-vol55no1p13-19.