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|
Variable
|
Estimate average daily gain (kg)
|
SE
|
P-value
|
|---|
|
Intercept
|
0.87
|
0.09
|
< 0.001
|
|
Clinical BRDa
|
|
-
|
Referent
| | |
|
+
|
-0.04
|
0.03
|
0.20
|
|
TUS30b
|
|
TUSS1
|
Referent
| | |
|
TUSS2
|
0.02
|
0.03
|
0.44
|
|
TUSS3
|
-0.03
|
0.04
|
0.50
|
|
TUSS4
|
-0.12
|
0.04
|
0.01
|
|
Breedc
|
|
HF
|
Referent
| | |
|
HF × AA
|
0.04
|
0.05
|
0.50
|
|
Housed
|
|
FV
|
Referent
| | |
|
NV
|
-0.07
|
0.05
|
0.16
|
- aBovine respiratory disease.
- bClassification of calves considering the ultrasound evaluations performed up to day 30. For more detail regarding thoracic ultrasound score (TUSS) from 1 to 4 see details on material and method section.
- cBreed: HF, Holstein Frisian; HF × AA, Holstein Frisian × Aberdeen Angus.
- dHouse: FV, fan ventilated; NV, naturally ventilated.
