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Table 1 Distribution of calves according to clinical bovine respiratory disease (cBRD) and thoracic ultrasonography score

From: Association between clinical respiratory signs, lung lesions detected by thoracic ultrasonography and growth performance in pre‐weaned dairy calves

TUSSa

TUS14b

TUS30c

cBRD-d

cBRD + e

TOTAL

cBRD-d

cBRD + e

TOTAL

TUSS1

22

6

28

15

4

19

TUSS2

3

8

11

9

8

17

TUSS3

2

5

7

3

6

9

TUSS4

3

4

7

3

5

8

Sum of TUSS 1 to 4

30

23

53

30

23

53

  1. aThoracic ultrasonography score (from 1 to 4) (TUSS1 (normal lung or comet tails); TUSS2 (Lung lesion < 2cm2; TUSS3 Lung lesions ≥ 2cm2; TUSS4 Consolidated lung lobe and or/emphysema)
  2. bClassification of calves considering the ultrasound evaluations performed from arrival to day 14
  3. cClassification of calves considering the ultrasound evaluations performed from arrival to day 30
  4. dcBRD- calves that had no BRD treatment from arrival until weaning
  5. ecBRD+ calves that had BRD treatment from arrival until weaning
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Irish Veterinary Journal

ISSN: 2046-0481