Table 11.
Effects of dietary treatments and sex onamino acid composition of LM (mg/100 mg DM basis)
|
Item |
HE |
LE |
SEM |
E |
P |
E × P |
||
|---|---|---|---|---|---|---|---|---|
| LP | HP | LP | HP | |||||
| Essential |
|
|
|
|
|
|
|
|
| Lysine |
4.61 |
3.72 |
4.06 |
4.25 |
0.46 |
ns |
ns |
ns |
| Valine |
3.53 |
3.05 |
2.94 |
2.94 |
0.35 |
ns |
ns |
ns |
| Histidine |
1.26 |
0.64 |
0.74 |
0.64 |
0.27 |
ns |
ns |
ns |
| Leucine |
4.82 |
4.65 |
4.61 |
4.76 |
0.19 |
ns |
ns |
ns |
| Isoleucine |
3.19 |
3.37 |
3.05 |
3.14 |
0.18 |
ns |
ns |
ns |
| Methionine |
4.28 |
4.11 |
3.90 |
4.03 |
0.17 |
ns |
ns |
ns |
| Phenylalanine |
1.59 |
1.58 |
1.61 |
1.56 |
0.12 |
ns |
ns |
ns |
| Threonine |
4.52 |
4.09 |
4.16 |
4.18 |
0.27 |
ns |
ns |
ns |
| Total E |
27.80 |
25.21 |
25.09 |
25.50 |
0.97 |
ns |
ns |
ns |
| Non essential |
|
|
|
|
|
|
|
|
| Aspartic acid |
13.86 |
13.76 |
13.35 |
12.15 |
1.44 |
ns |
ns |
ns |
| Glutamic acid |
21.93 |
19.54 |
18.67 |
20.41 |
1.19 |
ns |
ns |
* |
| Cysteine |
4.79 |
4.59 |
4.50 |
4.45 |
0.33 |
ns |
ns |
ns |
| Alanine |
5.99 |
5.53 |
5.36 |
5.70 |
0.32 |
ns |
ns |
ns |
| Glycine |
4.92 |
4.32 |
4.29 |
4.38 |
0.32 |
ns |
ns |
ns |
| Serine |
9.21 |
6.23 |
5.86 |
5.76 |
1.37 |
ns |
ns |
ns |
| Proline |
2.14 |
2.13 |
2.02 |
2.08 |
0.21 |
ns |
ns |
ns |
| Arginine |
6.26 |
5.20 |
5.23 |
5.28 |
0.48 |
ns |
ns |
ns |
| Tyrosine |
3.82 |
2.94 |
3.41 |
3.54 |
0.42 |
ns |
ns |
ns |
| Total NE |
72.93 |
64.25 |
62.69 |
63.75 |
2.76 |
ns |
ns |
ns |
| Total AA |
100.73 |
89.46 |
87.79 |
89.25 |
3.51 |
ns |
ns |
ns |
| E/NE, % |
38.12 |
40.00 |
40.02 |
40.58 |
0.015 |
ns |
ns |
ns |
| E/TAA, % | 27.59 | 28.38 | 28.57 | 28.77 | 0.007 | ns | ns | ns |
Significance: *(P < 0.05), ns not significant (P > 0.05).
M = male, steer, F = female, heifer, E = energy, P = protein.
Sex had no effect on amino acid composition of LM (P > 0.05).