Table 4.
Chemical score of amino acids and indispensable amino acid index (IAAI) of FPH preparation compared with reference feed ingredients (soybean meal and fish meal)
| Amino acids | Chemical score | Whole egg amino acid (g kg−1) | ||||
|---|---|---|---|---|---|---|
| FPH-0† | FPH-1† | FPH-2† | Soybean meal‡ | Fishmeal‡ | ||
| Arginine | 64.01 ± 0.49# | 62.29 ± 0.52# | 63.12 ± 0.48# | 46.2 | 57.3 | 66 |
| Histidine | 80.12 ± 1.40c | 71.67 ± 1.45b | 64.86 ± 1.32a | 52.1 | 58.3 | 24 |
| Methionine | 27.16 ± 0.79a | 31.44 ± 0.78b | 31.04 ± 0.86b | 11.8 | 45.0 | 40 |
| Isoleucine | 18.31 ± 0.45# | 19.55 ± 0.42# | 19.91 ± 0.43# | 22.8 | 27.9 | 77 |
| Lysine | 37.92 ± 0.47c | 35.87 ± 0.49b | 32.87 ± 0.49a | 36.7 | 43.3 | 70 |
| Leucine | 40.04 ± 0.36a | 50.47 ± 0.26b | 51.97 ± 0.57c | 31.6 | 41.0 | 92 |
| Phenylalanine | 25.22 ± 0.57# | 23.54 ± 0.53# | 23.58 ± 0.51# | 30.3 | 28.7 | 63 |
| Threonine | 50.03 ± 0.41a | 55.57 ± 0.12b | 53.35 ± 0.18c | 35.1 | 46.3 | 43 |
| Valine | 36.82 ± 0.48# | 38.54 ± 0.22# | 37.99 ± 0.87# | 26.4 | 36.0 | 72 |
| Tryptophan | NA | NA | NA | 53.3 | 26.0 | 15 |
| IAAI | 379.64 ± 5.57# | 388.94 ± 5.14# | 378.70 ± 4.98# | 346.3 | 409.8 | |
#Not significant
†Present work
‡Data retrieved from Halver (1995)
Different superscript (a, b, c) in the row indicate significant difference (p < 0.05) among the FPH samples. Values are expressed as mean ± SE (n = 3)