Table 6.
Apparent digestibility coefficients for amino acids of test ingredients in Litopenaeus vannamei (%).
| Index | CD | BSFLM | CM | CPC | TM | CAP | BPM |
|---|---|---|---|---|---|---|---|
| Essential amino acid | |||||||
| Lysine | 94.78 | 83.08 | 87.11 | 78.18 | 85.91 | 98.26 | 95.79 |
| Methionine | 87.50 | 69.34 | 87.32 | 87.84 | 87.56 | 98.21 | 98.97 |
| Arginine | 95.91 | 80.47 | 90.43 | 93.27 | 59.43 | 96.92 | 92.37 |
| Histidine | 92.48 | 62.69 | 74.50 | 87.65 | 55.20 | 86.94 | 79.38 |
| Valine | 93.74 | 74.63 | 81.70 | 80.53 | 46.37 | 95.20 | 84.59 |
| Threonine | 92.03 | 73.20 | 85.60 | 78.24 | 50.72 | 97.28 | 88.90 |
| Phenylalanine | 92.36 | 73.88 | 86.28 | 88.46 | 57.43 | 95.23 | 87.63 |
| Isoleucine | 93.82 | 75.47 | 82.35 | 79.74 | 54.44 | 97.00 | 87.27 |
| Leucine | 93.99 | 75.88 | 86.75 | 82.86 | 54.66 | 98.05 | 89.61 |
| Nonessential amino acid | |||||||
| Aspartic acid | 93.19 | 76.67 | 86.22 | 86.35 | 58.29 | 97.70 | 89.02 |
| Serine | 92.43 | 68.83 | 86.09 | 85.83 | 55.44 | 96.99 | 88.81 |
| Glutamic acid | 94.97 | 80.49 | 88.92 | 91.50 | 62.14 | 96.81 | 89.05 |
| Glycine | 89.73 | 59.38 | 83.85 | 80.60 | 55.93 | 96.48 | 87.33 |
| Alanine | 92.44 | 75.47 | 87.10 | 76.01 | 25.25 | 96.51 | 86.06 |
| Cystine | 92.01 | 69.28 | 81.86 | 80.16 | 74.16 | 98.05 | 81.29 |
| Tyrosine | 91.73 | 77.01 | 87.96 | 89.35 | 58.85 | 95.42 | 91.36 |
| Proline | 93.69 | 70.58 | 90.12 | 88.42 | 52.72 | 95.97 | 94.74 |
CD: control diet; BSFLM: black soldier fly larvae meal; CM: Chlorella vulgaris meal; CPC: cottonseed protein concentrate; TM: Tenebrio molitor meal; CAP: Clostridium autoethanogenum protein; BPM: methanotroph bacterial meal.