Overall feed intake of pig growing from 33 kg to 100 kg (OFI)
|
---|
Predictors
|
Coefficients
|
SE
|
P values
|
95% CI
|
---|
Breed
| | | | | |
Landrace
|
Reference
| | | | |
Duroc
|
5.89
|
1.6
|
<0.001
|
2.8
|
9.0
|
Birthdate
|
−0.02
|
0.0009
|
<0.001
|
−0.020
|
−0.016
|
Average daily feed intake
|
11.74
|
1.6
|
<0.001
|
8.5
|
14.9
|
Infection group
| | | | | |
SERONEG
|
Reference
| | | | |
SEROPOS
|
2.3
|
0.6
|
<0.001
|
1.1
|
3.5
|
VIR1
|
8.0
|
1.2
|
<0.001
|
5.7
|
10.3
|
VIR2
|
5.9
|
2.1
|
0.005
|
1.8
|
10.0
|
VIR3
|
7.2
|
2.0
|
<0.001
|
3.3
|
11.2
|
Constant (β
0
)
|
445.0
|
16.5
|
<0.001
|
412.7
|
477.2
|
- Abbreviations: SERONEG Seronegative pigs, SEROPOS Seropositive pigs (not tested for virus), VIR1 pigs viral positive between bodyweight 33 kg and 60 kg, VIR2 pigs viral positive between bodyweight 61 kg and 80 kg, VIR3 pigs viral positive between bodyweight 81 kg and 100 kg.
- Growth phase was from 33 kg to 100 kg bodyweight. The model is hierarchical with two levels; pig (n = 1955) and herd (n = 43).