Table 4.
Distribution of the IHC identification of intralesional antigens in the development of singular and concomitant infections in the lungs of cattle with pneumonia (n = 120).
| Summary of singular (n = 44) and dual (n = 40) infections | ||||||
|---|---|---|---|---|---|---|
| Agents | MCFV | M. bovis | BVDV | BoHV-1 | BRSV | BPIV-3 |
| MCFV | 8 | 10 | 12 | 3 | 3 | 0 |
| M. bovis | – | 14 | 2 | 2 | 2 | 2 |
| BVDV | – | – | 10 | 0 | 2 | 0 |
| BoHV-1 | – | – | – | 5 | 1 | 1 |
| BRSV | – | – | – | – | 6 | 0 |
| BPIV-3 | – | – | – | – | – | 1 |
| Association of intralesional antigens | Number of cattle | |||||
| Triple infections | ||||||
| BoHV-1, BPIV-3, BRSV | 1 | |||||
| BoHV-1, BRSV, M. bovis | 2 | |||||
| BoHV-1, BVDV, M. bovis | 3 | |||||
| BoHV-1, BVDV, MCFV | 6 | |||||
| BoHV-1, M. bovis, MCFV | 1 | |||||
| BPIV-3, BRSV, M. bovis | 1 | |||||
| BRSV, BVDV, MCFV | 1 | |||||
| BRSV, M. bovis, MCFV | 3 | |||||
| BVDV, M. bovis, MCFV | 7 | |||||
| Total | 25 | |||||
| Quadruple infections | ||||||
| BoHV-1, BPIV-3, BVDV, M. bovis | 1 | |||||
| BoHV-1, BRSV, BVDV, MCFV | 3 | |||||
| BoHV-1, BRSV, M. bovis, MCFV | 1 | |||||
| BoHV-1, BVDV, M. bovis, MCFV | 2 | |||||
| BPIV-3, BRSV, M. bovis, MCFV | 1 | |||||
| BRSV, BVDV, M. bovis, MCFV | 1 | |||||
| Total | 9 | |||||
| Quintuple infections | ||||||
| BoHV-1, BPIV-3, BRSV, M. bovis, MCFV | 1 | |||||
| BoHV-1, BPIV-3, BVDV, M. bovis, MCFV | 1 | |||||
| Total | 2 | |||||
BoHV-1, bovine alphaherpesvirus type 1; BPIV-3, bovine parainfluenza virus type 3; BRSV, bovine respiratory syncytial virus; BVDV, bovine viral diarrhea virus; M. bovis, Mycoplasma bovis; MCFV, malignant catarrhal fever viruses.