Table 2.
Dietary SID levels of Leu, Val, and Ile used in central composite design of response surface methodology and calculated and analyzed values of total branched-chain amino acids in the experiments 1 (1–14 D), 2 (14–28 D), and 3 (28–42 D).1
| Diet | Experiment 1 Starter (1 to 14 D) |
Experiment 2 Grower (14 to 28 D) |
Experiment 3 Finisher (28 to 42 D) |
|||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| SID (%) |
Total levels (%) |
SID (%) |
Total levels (%) |
SID (%) |
Total levels (%) |
|||||||||||||
| Leu | Val | Ile | Leu | Val | Ile | Leu | Val | Ile | Leu | Val | Ile | Leu | Val | Ile | Leu | Val | Ile | |
| 1 | 1.55 | 1.11 | 0.98 | 1.63 (1.59) | 1.18 (1.24) | 1.04 (1.09) | 1.45 | 0.97 | 0.89 | 1.54 (1.59) | 1.05 (1.05) | 0.95 (1.01) | 1.43 | 0.97 | 0.86 | 1.51 (1.55) | 1.04 (1.01) | 0.92 (088) |
| 2 | 1.55 | 1.11 | 0.78 | 1.63 (1.60) | 1.18 (1.22) | 0.84 (0.81) | 1.45 | 0.97 | 0.69 | 1.54 (1.55) | 1.05 (1.11) | 0.75 (0.72) | 1.43 | 0.97 | 0.56 | 1.51 (1.52) | 1.04 (1.04) | 0.62 (0.65) |
| 3 | 1.55 | 0.91 | 0.98 | 1.63 (1.64) | 0.98 (1.01) | 1.04 (1,03) | 1.45 | 0.77 | 0.89 | 1.54 (1.52) | 0.85 (0.79) | 0.95 (0.93) | 1.43 | 0.67 | 0.86 | 1.51 (1.55) | 0.74 (0.77) | 0.92 (0.95) |
| 4 | 1.55 | 0.91 | 0.78 | 1.63 (1.60) | 0.98 (0.98) | 0.84 (0.79) | 1.45 | 0.77 | 0.69 | 1.54 (1.60) | 0.85 (0.88) | 0.75 (0.75) | 1.43 | 0.67 | 0.56 | 1.51 (1.56) | 0.74 (0.78) | 0.62 (0.65) |
| 5 | 1.25 | 1.11 | 0.98 | 1.33 (1.29) | 1.18 (1.15) | 1.04 (1.11) | 1.15 | 0.97 | 0.89 | 1.24 (1.19) | 1.05 (1.00) | 0.95 (0.97) | 1.13 | 0.97 | 0.86 | 1.21 (1.13) | 1.04 (1.01) | 0.92 (0.91) |
| 6 | 1.25 | 1.11 | 0.78 | 1.33 (1.33) | 1.18 (1.24) | 0.84 (0.85) | 1.15 | 0.97 | 0.69 | 1.24 (1.22) | 1.05 (1.04) | 0.75 (0.77) | 1.13 | 0.97 | 0.56 | 1.21 (1.20) | 1.04 (1.05) | 0.62 (0.65) |
| 7 | 1.25 | 0.91 | 0.78 | 1.33 (1.36) | 0.98 (1.02) | 0.84 (0.87) | 1.15 | 0.77 | 0.69 | 1.24 (1.24) | 0.85 (0.79) | 0.75 (0.76) | 1.13 | 0.67 | 0.56 | 1.21 (1.25) | 0.74 (0.72) | 0.62 (0.66) |
| 8 | 1.40 | 1.01 | 0.88 | 1.48 (1.51) | 1.08 (1.15) | 0.93 (0.91) | 1.30 | 0.87 | 0.79 | 1.39 (1.42) | 0.95 (0.94) | 0.85 (0.90) | 1.28 | 0.82 | 0.71 | 1.36 (1.36) | 0.89 (0.85) | 0.76 (0.79) |
| 9 | 1.40 | 1.01 | 0.68 | 1.48 (1.46) | 1.08 (1.10) | 0.74 (0.69) | 1.30 | 0.87 | 0.59 | 1.39 (1.35) | 0.95 (0.98) | 0.65 (0.64) | 1.28 | 0.82 | 0.41 | 1.36 (1.39) | 0.89 (0.90) | 0.47 (0.51) |
| 10 | 1.40 | 1.01 | 1.08 | 1.48 (1.43) | 1.08 (1.13) | 1.13 (1.12) | 1.30 | 0.87 | 0.99 | 1.39 (1.35) | 0.95 (0.97) | 1.06 (1.09) | 1.28 | 0.82 | 1.01 | 1.36 (1.39) | 0.89 (0.88) | 1.06 (1.08) |
| 11 | 1.40 | 1.21 | 0.88 | 1.48 (1.50) | 1.28 (1.25) | 0.94 (0.99) | 1.30 | 1.07 | 0.79 | 1.39 (1.37) | 1.15 (1.20) | 0.85 (0.87) | 1.28 | 1.12 | 0.71 | 1.36 (1.38) | 1.92 (1.89) | 0.77 (0.76) |
| 12 | 1.40 | 0.81 | 0.88 | 1.48 (1.48) | 0.88 (0.87) | 0.94 (0.96) | 1.30 | 0.67 | 0.79 | 1.39 (1.44) | 0.74 (0.72) | 0.85 (0.86) | 1.28 | 0.52 | 0.71 | 1.36 (1.35) | 0.59 (0.52) | 0.77 (0.79) |
| 13 | 1.10 | 1.01 | 0.88 | 1.18 (1.12) | 1.08 (1.14) | 0.94 (0.90) | 1.00 | 0.87 | 0.79 | 1.09 (1.09) | 0.95 (0.91) | 0.85 (0.88) | 0.98 | 0.82 | 0.71 | 1.06 (1.10) | 0.89 (0.92) | 0.77 (0.75) |
| 14 | 1.70 | 1.01 | 0.88 | 1.78 (1.77) | 1.08 (1.08) | 0.94 (0.94) | 1.60 | 0.87 | 0.79 | 1.70 (1.62) | 0.95 (0.92) | 0.85 (0.84) | 1.58 | 0.82 | 0.71 | 1.66 (1.59) | 0.89 (0.93) | 0.77 (0.75) |
| 15 | 1.25 | 0.91 | 0.98 | 1.33 (1.35) | 0.99 (0.95) | 1.04 (1.03) | 1.15 | 0.77 | 0.89 | 1.24 (1.26) | 0.85 (0.89) | 0.95 (0.96) | 1.13 | 0.67 | 0.86 | 1.21 (1.20) | 0.75 (0.77) | 0.92 (0.99) |
Abbreviation: SID, standardized ileal digestible.
1
Analyzed values for total amino acids are in parentheses.