Table 1. The experimental diets' proximate and amino acid composition (% dry matter).
Mean ± SD *.
| KP1 | KP2 | KP3 | KP4 | |
|---|---|---|---|---|
| %, dry weight basis | ||||
| Proximate composition | ||||
| Dry matter | 38.42 ± 0.25 a | 38.27 ± 0.01 a | 37.59 ± 0.16 a | 38.41± 0.10 a |
| Crude protein | 19.68 ± 0.41 a | 20.27 ± 0.13 b | 21.70 ± 0.18 c | 20.44 ± 0.10 d |
| Crude lipid | 3.41 ± 0.02 a | 3.67 ± 0.13 b | 3.50 ± 0.02 ac | 3.48 ± 0.04 ad |
| Carbohydrate | 26.37 ± 0.17 a | 29.50 ± 0.54 b | 31.19 ± 0.38 c | 30.57 ± 0.06 d |
| Crude fibre | 2.23 ± 0.05 a | 2.36 ± 0.01 b | 2.82 ± 0.06 c | 2.45 ± 0.06 d |
| Ash | 2.75 ± 0.03 a | 6.66 ± 0.05 b | 6.57 ± 0.04 c | 6.67 ± 0.06 d |
| Energy total (kg calorie/100 g) | 240.87 ± 0.38 a | 234.41 ± 0.30 b | 240.88 ± 0.74 ac | 237.11 ± 0.43 d |
| Amino acid composition | ||||
| EAA | ||||
| Leucine | 1.36 ± 0.01 a | 1.42 ± 0.01 b | 1.46 ± 0.01 c | 1.36 ±0.01 d |
| Isoleucine | 0.76 ± 0.01 a | 0.79 ± 0.01 b | 0.81 ± 0.01 c | 0.76 ± 0.01 d |
| Lysine | 0.95 ± 0.01 a | 1.10 ± 0.01 b | 0.98 ± 0.01 c | 1.20 ± 0.01 d |
| Valine | 0.86 ± 0.01 a | 0.94 ± 0.01 b | 0.96 ± 0.01 c | 0.89 ± 0.01 d |
| Threonine | 0.79 ± 0.02 a | 0.92 ± 0.01 b | 1.04 ± 0.01 c | 0.83 ± 0.01 d |
| Arginine | 1.02 ± 0.01 a | 1.19 ± 0.01 b | 1.30 ± 0.01 c | 1.03 ± 0.01 d |
| Phenylalanine | 0.67 ± 0.01 a | 0.93 ± 0.01 b | 1.05 ± 0.01 c | 0.77 ± 0.01 d |
| Tyrosine | 0.43 ± 0.01 a | 0.53 ± 0.00 b | 0.57 ± 0.06 c | 0.45 ± 0.01 d |
| Methionine | 0.18 ± 0.01 a | 0.26 ± 0.01 b | 0.30 ± 0.01 c | 0.21 ± 0.01 d |
| Histidine | 0.40 ± 0.01 a | 0.50 ± 0.01 b | 0.57 ± 0.01 c | 0.43 ± 0.01 d |
| Tryptophan | 0.06 ± 0.01 a | 0.11 ± 0.01 b | 0.07 ± 0.00 bc | 0.09 ± 0.01 bd |
| NEAA | ||||
| Alanine | 0.85 ± 0.01 a | 0.94 ± 0.01 b | 0.87 ± 0.06 c | 0.97 ± 0.01 bd |
| Serine | 1.01 ± 0.01 a | 1.12 ± 0.01 b | 1.23 ± 0.01 c | 1.01 ± 0.01 d |
| Glycine | 1.15 ± 0.01 a | 1.32 ± 0.01 b | 1.29 ± 0.01 c | 1.19 ± 0.01 d |
| Proline | 1.01 ± 0.01 a | 1.05 ± 0.01 b | 1.03 ± 0.01 c | 1.03 ± 0.02 d |
| Aspartic acid | 1.25 ± 0.01 a | 1.50 ± 0.01 b | 1.40 ± 0.01 c | 1.56 ± 0.01 d |
| Glutamic | 2.15 ± 0.03 a | 2.88 ± 0.03 b | 2.59 ± 0.01 c | 3.01 ± 0.03 d |
| Cystine | 0.09 ± 0.01 a | 0.07 ± 0.01 b | 0.04 ± 0.01 c | 0.09 ± 0.01 ad |
| ∑EAA | 7.56 ± 0.003 a | 8.70 ± 0.003 b | 9.03 ± 0.003 c | 8.04 ± 0.003 d |
| ∑NEAA | 7.51 ± 0.008 a | 8.88 ± 0.007 b | 8.88 ± 0.004 c | 8.84 ± 0.008 d |
| ∑AA | 15.07 ± 0.004 a | 17.58 ± 0.002 b | 17.91 ± 0.00 c | 16.88 ± 0.003 d |
Note: Numbers followed by different superscript letters in the same row are significantly different ( P < 0.05). Numbers with the same superscript letter in the same row show no significant difference ( P > 0.05).
*
Values represent the means of triplicate samples.