| |
Acute
|
Chronic
| |
|---|
|
Dietary nitrogen
|
MPI
|
RPI
|
MPI
|
RPI
| |
|---|
|
(% of ingested) in:
|
Mean
|
SD
|
Mean
|
SD
|
Mean
|
SD
|
Mean
|
SD
|
Stat effecta
|
|---|
|
Stomach
|
5.23
|
4.59
|
3.02
|
2.14
|
5.28
|
5.48
|
5.32
|
4.83
|
NS
|
|
Intestine
|
1.62ab
|
0.51
|
2.18a
|
0.23
|
1.32b
|
0.13
|
2.32a
|
0.75
|
PS: P < 0.001
|
|
Cecum
|
2.08
|
0.47
|
1.61
|
0.50
|
2.20
|
1.11
|
1.92
|
0.38
|
NS
|
|
Proximal colon
|
0.67
|
0.49
|
0.56
|
0.31
|
0.21
|
0.16
|
0.40
|
0.18
|
A: P < 0.05
|
|
Distal colon
|
0.15
|
0.20
|
0.41
|
0.46
|
0.28
|
0.52
|
0.21
|
0.24
|
NS
|
|
Digestives losses b
|
2.9
|
0.7
|
2.6
|
0.6
|
2.7
|
1.2
|
2.5
|
0.5
|
NS
|
|
Ileal digestibility c
|
95.2
|
1.0
|
95.1
|
0.5
|
95.8
|
1.1
|
94.9
|
1.1
|
NS
|
|
Deamination d
|
11.4
|
1.7
|
11.7
|
3.2
|
13.2
|
2.9
|
14.1
|
5.0
|
NS
|
|
Total losses
|
14.4
|
1.9
|
14.2
|
3.3
|
15.9
|
2.7
|
16.6
|
5.3
|
NS
|
- NS: not significant, PS: protein source, A: adaptation. aTwo way ANOVA; b Recovery in cecum and colon content at 5 h (% of ingested N); cReal ileal digestibility (see Material and methods); d Recovery in body and urinary urea. Means within a row with different letters are significantly different (P < 0.05, Tukey post-hoc test)
