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Table 1 Results of the serological and virological testings

From: Bovine respiratory syncytial virus outbreak reduced bulls’ weight gain and feed conversion for eight months in a Norwegian beef herd

 

Serology, paired serum samples

Virology BRSV

Bull no.

BRSV

BCoV

BPIV3

TA

BAL

1

+

+

2

+

+

+

+

3

+

+

+

4

+

+

+

+

5

+

+

+

6

+

+

+

7

N/A

N/A

N/A

+

+

Total no. of pos.

5/6

2/6

2/6

5/7

7/7

  1. The serological results are based on detection of antibodies in paired serum samples. Animals were defined as positive for infection if they seroconverted (negative to positive) or if the antibody titer increased ≥70 %
  2. BRSV bovine respiratory syncytial virus, BCoV bovine corona virus. BPIV3 bovine parainfluenza virus type 3, + positive for infection, − negative for infection, N/A not applicable, TA transtracheal aspirate, BAL broncheoalveolar lavage