Table 6.
Standardized crude protein (nitrogen multiplied by 6.25) and amino acid digestibility (%) of birds fed diets varying in deoxynivalenol (DON), fumonisins (FUM), and their combination on day 21.
| Item1 | Control | DON 1.5 | DON 5.0 | FUM 20.0 | DON 1.5 + FUM 20.0 | DON 5.0 + FUM 20.0 | SEM | P-value |
|---|---|---|---|---|---|---|---|---|
| Crude protein, % | 87.0 | 86.0 | 86.2 | 86.3 | 85.9 | 85.2 | 0.44 | 0.929 |
| Indispensable amino acids, % | ||||||||
| Arginine | 91.0 | 91.3 | 89.4 | 91.0 | 91.1 | 90.7 | 0.32 | 0.583 |
| Histidine | 87.8 | 87.8 | 86.6 | 87.0 | 87.2 | 86.8 | 0.36 | 0.915 |
| Leucine | 87.4 | 87.1 | 86.1 | 86.9 | 86.6 | 86.5 | 0.38 | 0.943 |
| Isoleucine | 87.3 | 87.2 | 85.7 | 86.8 | 86.6 | 86.2 | 0.43 | 0.901 |
| Lysine | 90.9 | 91.4 | 90.0 | 91.0 | 91.0 | 91.0 | 0.44 | 0.978 |
| Methionine | 94.8 | 95.4 | 95.2 | 96.1 | 95.7 | 95.7 | 0.24 | 0.708 |
| Phenylalanine | 87.6 | 87.5 | 86.0 | 86.8 | 86.7 | 86.6 | 0.36 | 0.848 |
| Threonine | 85.9 | 84.6 | 84.2 | 83.6 | 84.0 | 83.7 | 0.54 | 0.856 |
| Tryptophan | 86.3 | 86.4 | 86.0 | 85.7 | 85.9 | 85.6 | 0.38 | 0.992 |
| Valine | 86.7 | 86.7 | 85.0 | 85.7 | 86.0 | 85.6 | 0.56 | 0.941 |
| Dispensable amino acids, % | ||||||||
| Alanine | 86.8 | 87.1 | 86.0 | 86.7 | 86.4 | 86.2 | 0.43 | 0.984 |
| Aspartate | 85.0 | 85.0 | 83.5 | 83.5 | 83.7 | 83.4 | 0.38 | 0.682 |
| Cysteine | 78.2 | 78.8 | 79.2 | 76.8 | 78.0 | 74.9 | 0.61 | 0.349 |
| Glutamine | 90.0 | 89.6 | 88.8 | 89.0 | 89.2 | 89.1 | 0.29 | 0.882 |
| Glycine | 83.6 | 83.7 | 82.1 | 82.4 | 82.4 | 81.7 | 0.52 | 0.876 |
| Proline | 87.8 | 87.6 | 87.0 | 86.2 | 86.3 | 86.0 | 0.37 | 0.646 |
| Serine | 85.5 | 85.4 | 85.0 | 85.0 | 85.5 | 85.4 | 0.42 | 0.999 |
| Tyrosine | 87.9 | 88.1 | 86.0 | 87.8 | 87.5 | 87.2 | 0.39 | 0.684 |
| Total amino acids | 87.9 | 87.9 | 86.8 | 87.2 | 87.3 | 87.0 | 0.38 | 0.951 |
1
Mean represent 7 cages of 10 birds/cage.