Table 2.
Supplemented His and β-Ala concentrations in relation to the basal diet in the different dietary groups as analyzed.
| Feeding group |
||||||
|---|---|---|---|---|---|---|
| Feeding phase | CON1 | HIS12 | HIS23 | BA4 | BA_HIS15 | BA_HIS26 |
| Supplemented His as analyzed, % | ||||||
| Starter | nd7 | 0.12 | 0.25 | nd | 0.12 | 0.25 |
| Grower | nd | 0.11 | 0.21 | nd | 0.11 | 0.22 |
| Finisher 1 | nd | 0.10 | 0.20 | nd | 0.10 | 0.19 |
| Finisher 2 | nd | 0.10 | 0.18 | nd | 0.10 | 0.18 |
| Reached SID8 His:Lys ratio in the diet | 0.44 | 0.54 | 0.64 | 0.44 | 0.54 | 0.64 |
| Supplemented β-alanine as analyzed, % | ||||||
| Starter | nd | nd | nd | 0.47 | 0.49 | 0.50 |
| Grower | nd | nd | nd | 0.50 | 0.50 | 0.52 |
| Finisher 1 | nd | nd | nd | 0.48 | 0.50 | 0.51 |
| Finisher 2 | nd | nd | nd | 0.49 | 0.49 | 0.48 |
| Reached β-alanine concentration in the diet, % | 0 | 0 | 0 | 0.5 | 0.5 | 0.5 |
1
His:Lys ratio 0.44 of standard ileal digestible amino acid.
2
His:Lys ratio 0.54 of standard ileal digestible amino acid.
3
His:Lys ratio 0.64 of standard ileal digestible amino acid.
4
His:Lys ratio 0.44 of standard ileal digestible amino acid + 0.5% total β-alanine.
5
His:Lys ratio 0.54 of standard ileal digestible amino acid + 0.5% total β-alanine.
6
His:Lys ratio 0.64 of standard ileal digestible amino acid + 0.5% total β-alanine.
7
nd, not detectable by analytical method (< 0.01%).
8
SID, standard ileal digestible.