Table 1.
Ingredient and nutrient composition of experimental diets (as-fed basis)1
| Diets | ||
|---|---|---|
| Ingredients, % | FAA− | FAA+ |
| Corn | 50.34 | 50.02 |
| Wheat | 13.00 | 13.00 |
| Barley | 17.50 | 17.50 |
| Soybean meal, 47% CP | 13.00 | 13.00 |
| L-Lys HCl2 | 0.97 | 0.97 |
| DL-Met2 | 0.32 | 0.46 |
| L-Trp2 | 0.07 | 0.10 |
| L-Thr2 | 0.40 | 0.55 |
| L-Leu2 | 0.22 | 0.22 |
| L-Iso2 | 0.20 | 0.20 |
| L-Val2 | 0.29 | 0.29 |
| L-His2 | 0.13 | 0.13 |
| L-Phe2 | 0.25 | 0.25 |
| Salt | 0.35 | 0.35 |
| Vitamin/mineral premix3 | 0.40 | 0.40 |
| Limestone | 1.38 | 1.38 |
| Monocalcium phosphate | 1.18 | 1.18 |
| Calculated nutrient content4 | ||
| DM, % | 87.64 | 87.68 |
| CP, % | 16.06 | 16.26 |
| ME, kcal/kg | 3,221 | 3,225 |
| NE, kcal/kg | 2,452 | 2,455 |
| Amino acids, % SID | ||
| Arg | 0.73 | 0.73 |
| His | 0.43 | 0.43 |
| Ile | 0.66 | 0.66 |
| Leu | 1.28 | 1.28 |
| Lys | 1.28 | 1.28 |
| Met+Cys | 0.72 | 0.86 |
| Phe+Tyr | 1.20 | 1.20 |
| Thr | 0.80 | 0.96 |
| Trp | 0.21 | 0.25 |
| Val | 0.83 | 0.83 |
| Ala | 0.58 | 0.58 |
| Asp | 0.97 | 0.97 |
| Glu | 2.43 | 2.43 |
| Gly | 0.46 | 0.46 |
| Pro | 1.04 | 1.04 |
| Ser | 0.57 | 0.57 |
1FAA−, basal amino acid profile; FAA+, functional amino acid profile (Thr, Met, and Trp at 120% of requirements for growth); SID, standardized ileal digestible.
2L-Lys HCl, Archer Daniels Midland Company (Decatur IL); DL-Met, Evonik Operations GmbH (Mobile AL); L-Trp, L-Thr, and L-Val, Jefo Nutrition Inc. (Saint-Hyacinthe, QC, Canada); all other AA, ACP Chemicals, Inc. (St. Leonard, QC, Canada).
3Supplied per kg of complete diet: vitamin A, 6,000 IU; vitamin D, 9.3 mg; vitamin E, 35 IU; menadione, 2.5 mg; vitamin B12, 0.02 mg; thiamine, 1.00 mg; biotin, 0.10 mg; niacin, 20 mg; riboflavin, 4 mg; pantothenate, 12 mg; folic acid, 0.50 mg; pyridoxine, 5.0 mg; Fe,75 mg; Zn, 75 mg; Mg, 20 mg; Cu, 10 mg; Se, 0.15 mg, and I, 0.50 mg.
4Nutrient content of diets based on estimated nutrient contents of ingredients according to NRC (2012) and analyzed AA content according to Evonik Operations GmbH.