Table 4.
Effects of protein source on apparent ileal digestibility of amino acids and nitrogen of weaned pigs (%).
| Items | EFS | ESBM | SEM | P-value |
|---|---|---|---|---|
| Essential AA (%) | ||||
| Arginine | 74.12 | 75.06 | 1.82 | 0.73 |
| Histidine | 83.94 | 88.29 | 1.00 | 0.02 |
| Isoleucine | 67.71 | 70.71 | 2.04 | 0.33 |
| Leucine | 64.78 | 69.83 | 2.13 | 0.14 |
| Lysine | 82.86 | 85.01 | 1.55 | 0.36 |
| Methionine | 83.38 | 86.46 | 1.39 | 0.16 |
| Phenylalanine | 90.09 | 92.07 | 0.62 | 0.06 |
| Threonine | 68.75 | 74.87 | 1.83 | 0.06 |
| Tryptophan | 74.41 | 77.64 | 0.90 | 0.04 |
| Valine | 70.09 | 73.75 | 1.62 | 0.15 |
| Non-essential AA (%) | ||||
| Alanine | 64.28 | 66.02 | 1.59 | 0.46 |
| Asparagine | 78.23 | 80.88 | 1.89 | 0.35 |
| Cystine | 75.26 | 75.59 | 1.90 | 0.90 |
| Glutamine | 78.98 | 81.92 | 1.89 | 0.31 |
| Glycine | 70.05 | 73.38 | 1.95 | 0.27 |
| Proline | 75.46 | 78.79 | 1.45 | 0.15 |
| Serine | 75.19 | 77.27 | 1.86 | 0.46 |
| Tyrosine | 69.34 | 71.92 | 2.67 | 0.52 |
| Total nitrogen (%) | 74.52 | 77.57 | 0.41 | 0.01 |
Data were shown as the mean + SEM (n = 6). AA, amino acid. EFS, extruded full-fat soybean; ESBM, enzyme-treated soybean meal.