Table 3.
Analyzed nutrient composition of experimental diets containing 100% SID Leu:Lys ratio, as-fed basis1
| SID Ile:Lys, % | 43 | 53 | 63 | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Item | SID Val:Lys, % | 60 | 70 | 80 | 60 | 70 | 80 | 60 | 70 | 80 |
| Crude protein, % | 15.48 | 15.55 | 15.41 | 15.46 | 15.43 | 15.56 | 15.51 | 15.39 | 15.52 | |
| Indispensable amino acids, % | ||||||||||
| Arg | 0.77 | 0.76 | 0.70 | 0.77 | 0.80 | 0.76 | 0.76 | 0.76 | 0.75 | |
| His | 0.38 | 0.38 | 0.36 | 0.38 | 0.39 | 0.37 | 0.37 | 0.37 | 0.37 | |
| Ile | 0.49 | 0.51 | 0.50 | 0.63 | 0.64 | 0.62 | 0.70 | 0.70 | 0.69 | |
| Leu | 1.16 | 1.13 | 1.09 | 1.15 | 1.19 | 1.15 | 1.14 | 1.13 | 1.13 | |
| Lys | 1.12 | 1.05 | 1.04 | 1.06 | 1.11 | 1.03 | 1.06 | 1.06 | 1.09 | |
| Met | 0.27 | 0.28 | 0.27 | 0.28 | 0.29 | 0.27 | 0.26 | 0.27 | 0.26 | |
| Phe | 0.71 | 0.70 | 0.67 | 0.71 | 0.72 | 0.70 | 0.69 | 0.69 | 0.69 | |
| Thr | 0.67 | 0.65 | 0.66 | 0.68 | 0.67 | 0.65 | 0.66 | 0.68 | 0.69 | |
| Trp | 0.15 | 0.15 | 0.16 | 0.16 | 0.16 | 0.15 | 0.16 | 0.16 | 0.15 | |
| Val | 0.74 | 0.82 | 0.89 | 0.73 | 0.84 | 0.90 | 0.71 | 0.81 | 0.89 | |
| Dispensable amino acids, % | ||||||||||
| Ala | 0.71 | 0.69 | 0.66 | 0.69 | 0.72 | 0.69 | 0.69 | 0.70 | 0.68 | |
| Asx2 | 1.16 | 1.13 | 1.05 | 1.14 | 1.18 | 1.13 | 1.12 | 1.12 | 1.10 | |
| Cys | 0.23 | 0.24 | 0.23 | 0.26 | 0.25 | 0.24 | 0.24 | 0.24 | 0.24 | |
| Glx2 | 2.59 | 2.55 | 2.39 | 2.54 | 2.62 | 2.56 | 2.53 | 2.53 | 2.49 | |
| Gly | 1.90 | 1.86 | 2.04 | 1.89 | 1.77 | 1.79 | 1.85 | 1.76 | 1.69 | |
| Pro | 1.00 | 0.97 | 0.96 | 0.94 | 1.01 | 0.93 | 1.00 | 0.98 | 0.98 | |
| Ser | 0.55 | 0.54 | 0.51 | 0.54 | 0.57 | 0.55 | 0.55 | 0.56 | 0.55 | |
| Tyr | 0.40 | 0.40 | 0.38 | 0.41 | 0.42 | 0.41 | 0.41 | 0.41 | 0.40 | |
1Experimental diets were analyzed in duplicate.
2Asx, Asp, and Asn; Glx, Glu, and Gln.