|
Intake
|
|
Concentrate intake (kg DM/d)
|
Y = −2.39 + 0.0117(I) + 2.68(C) - 0.348(C2)
|
0.97
|
<0.0001
|
|
Guinea grass intake (kg DM/d)
|
Y = 0.701 + 0.00782(I) - 0.321(C)
|
0.69
|
0.0002
|
|
Rice straw intake (kg DM/d)
|
Y = 0.747 + 0.00539(I) - 0.00808(C) - 0.209(C2)
|
0.93
|
<0.0001
|
|
Substitution rate (kg DM/kg DM)
|
Y = 1.16 - 0.00589(I) + 0.215(C)
|
0.85
|
<0.0001
|
|
3OM intake (kg/day)
|
Y = −0.996 + 0.0227(I) + 2.30(C) - 0.535(C2)
|
0.95
|
<0.0001
|
|
4GE intake (MJ/d)
|
Y = −18.9 + 0.438(I) + 43.8(C) - 10.1(C2)
|
0.94
|
<0.0001
|
|
5CP intake (kg/d)
|
Y = −0.278 + 0.00307(I) + 0.407(C) - 0.0693(C2)
|
0.97
|
<0.0001
|
|
6EE intake (kg/d)
|
Y = −0.114 + 0.000818(I) + 0.144(C) - 0.0221(C2)
|
0.97
|
<0.0001
|
|
7NDF intake (kg/d)
|
Y = 1.27 + 0.00886(I) - 0.240(C)
|
0.48
|
0.0036
|
|
Digestibility period
|
|
OM digestibility (%)
|
Y = 54.4 + 8.00(C)
|
0.84
|
<0.0001
|
|
Digestible OM intake (kg/d)
|
Y = −0.149 + 0.0106(I) 0.971(C)
|
0.88
|
<0.0001
|
|
Gross energy digestibility (%)
|
Y = 75.0 + 13.6(C) - 4.36(C2)
|
0.43
|
0.0086
|
|
Digestible energy intake (MJ/d)
|
Y = −7.39 + 0.311(I) + 38.5(C) - 8.75(C2)
|
0.89
|
<0.0001
|
|
CP digestibility (%)
|
Y = 56.9 + 6.09(C)
|
0.63
|
<0.0001
|
|
EE digestibility (%)
|
Y = 9.28 + 0.0884(I) + 38.8(C) - 7.62(C2)
|
0.93
|
<0.0001
|
|
NDF digestibility (%)
|
Y = 59.8 - 8.06(C)
|
0.63
|
<0.0001
|
|
Faecal N (kg/d)
|
Y = −0.00168 + 0.000129(I) + 0.0203(C) - 0.00589(C2)
|
0.89
|
<0.0001
|
|
Liveweight
|
|
Initial liveweight (kg)
|
n.a.
|
n.a.
|
0.9905
|
|
Final liveweight (kg)
|
Y = −13.7 + 1.12(I) + 64.9(C) - 15.6(C2)
|
0.97
|
<0.0001
|
|
Liveweight gain (kg/d)
|
Y = −163 + 1.43(I) + 773(C) - 185(C2)
|
0.90
|
<0.0001
|
