Supplementary Table 1- Supplementary Table 4 Pathogenic infection characteristics and risk factors for bovine respiratory disease complex based on the detection of lung pathogens in dead cattle in northeast China

Supplementary Table 1. List of primers used to detect infectious agents associated with BRDC.

Supplementary Table 2. Information on the source of the lung tissue samples in the dead cattle with bovine respiratory diseases involved in this study.

Supplementary Table 3. Background and detected pathogens for 160 samples with BRDC from 81 herds.

Supplementary table 4. Information on the isolates of BoHV-1，BVDV，BPIV-3，and BRSV in this study and the reference strains from GenBank