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. Bov. pract. [Internet]. 2021 Feb. 1 [cited 2024 Nov. 21];55(1):13-9. Available from: https://bovine-ojs-tamu.tdl.org/bovine/article/view/8195