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Table 2 Results of post mortem diagnostic examinations of lungs from five calves that died during the outbreak in herd B. The lungs were examined macroscopic and microscopic and samples were tested for the presence of bacteria, mycoplams and virus.

From: Bovine Respiratory Syncytial Virus (BRSV) Pneumonia in Beef Calf Herds Despite Vaccination

Animal ID Virus Bacteria Mycoplasm Histopathology
1408 Negative M. haemolytica U. diversum
M. dispar
Fibrino-necrotizing bronchopneumonia
2131 Negative M. haemolytica U. diversum
M. bovirhinis
Fibrino-necrotizing bronchopneumonia
1083 BRSV NO bacterial pathogens isolated U. diversum Suppurative bronchopneumonia
0782 BRSV NO bacterial pathogens isolated U. diversum
M. bovis
Suppurative bronchopneumonia
1004 Negative NO bacterial pathogens isolated U. diversum Suppurative bronchopneumonia
  1. M. haemolytica: Mannheimia haemolytica; M. dispar: Mycoplasms dispar, M. bovis: Mycoplasms bovis, M. bovirhinis: Mycoplasms bovirhinis, U. diversum: Ureaplasma diversum.