The position of BVDV in BRD to be a Main pathogen has actually been controversial, but it appears being effective at inducing immunosuppression, which permits improvement of secondary bacterial or viral pneumonia. Treatment method for acute BVDV an infection is supportive and features antimicrobials to prevent or handle bacterial pneumonia. https://haag19864.wikipresses.com/4161262/a_review_of_haag