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Table 2 Key clinical signs of respiratory disease after experimental infection with BRSV

From: Bovine respiratory syncytial virus in experimentally exposed and rechallenged calves; viral shedding related to clinical signs and the potential for transmission

Animal group

Calf no.

Peak rt. °C

Number of days with

Peak clinical score

Days with clinical score ≥ 4

depression

respiratory rate ≥ 65

nasal discharge

cough with clinical score ≥ 2

Inoculated

I1

40.1

4

0

10

8

7

2

I2

39.6

2

0

2

1

5

3

Exposed

E1

40.6

4

0

7

3

6

3

E2

40.0

7

0

5

6

6

6

E3

40.4

5

0

5

2

6

3

E4

39.2

2

0

9

3

4

2

E5

41.2

4

6

9

2

10

4

E6

40.3

4

2

2

4

9

4