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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.