Table 10.
Apparent ileal digestibility of amino acids in camelina cake, calculated using the difference method and based on 8, 16 and 24% dietary camelina cake inclusion replacing cornstarch fed to broiler chickens, 21-days of agea
| Camelina cake inclusion level | P-value | ||||
|---|---|---|---|---|---|
| 8% | 16% | 24% | SEM | Level | |
| Indispensable amino acids | |||||
| Arginine | 71.94 | 68.97 | 47.68 | 6.39 | 0.082 |
| Histidine | 61.35 | 61.99 | 36.30 | 7.68 | 0.101 |
| Isoleucine | 54.42 | 57.48 | 31.91 | 7.98 | 0.139 |
| Leucine | 53.57 | 57.53 | 34.40 | 8.40 | 0.194 |
| Lysine | 43.53 | 48.34 | 20.98 | 8.48 | 0.140 |
| Methionine | 56.51 | 61.82 | 41.27 | 7.85 | 0.209 |
| Methionine + Cysteine | 55.15 | 60.53 | 34.76 | 7.30 | 0.096 |
| Phenylalanine | 54.55 | 57.61 | 35.42 | 8.81 | 0.220 |
| Threonine | 37.96 | 48.70 | 25.43 | 7.16 | 0.135 |
| Tryptophan | 69.65a | 48.93ab | 26.69b | 8.57 | 0.026 |
| Valine | 63.64a | 64.40a | 38.94b | 6.16 | 0.027 |
| Dispensable amino acids | |||||
| Alanine | 50.63 | 55.56 | 32.19 | 7.71 | 0.163 |
| Aspartic acid | 51.07 | 59.71 | 31.07 | 8.31 | 0.114 |
| Cysteine | 54.85a | 60.04a | 28.57b | 6.99 | 0.048 |
| Glutamic acid | 71.08 | 67.58 | 42.74 | 7.63 | 0.076 |
| Glycine | 56.47 | 56.56 | 28.99 | 7.19 | 0.066 |
| Proline | 35.47 | 37.78 | 6.09 | 9.22 | 0.071 |
| Serine | 41.84 | 49.83 | 28.42 | 7.10 | 0.146 |
| Tyrosine | 37.12 | 45.23 | 24.89 | 8.43 | 0.234 |
| Total amino acids | 54.82 | 57.45 | 32.45 | 7.59 | 0.115 |
a,b,c: Different superscripts within rows denote statistically different means (P < 0.05).
aLeast-squares means based on 6 replicates per camelina cake inclusion levels.