TABLE 1.
Composition and calculated nutrient analysis of basal diets, source and dose of digestible TSAA and supplemental met in experiment #1.
| Ingredient | Starter, % | Grower, % |
|---|---|---|
| Corn | 52.65 | 55.53 |
| Soybean meal | 34.23 | 28.39 |
| DDGS | 5.00 | 7.50 |
| Meat and bone meal | 3.00 | 3.00 |
| Choice white grease | 2.55 | 3.27 |
| Limestone | 0.93 | 0.94 |
| Salt | 0.42 | 0.41 |
| Dicalcium phosphate | 0.31 | 0.09 |
| L-Lysine HCl 78% | 0.14 | 0.15 |
| Threonine | 0.10 | 0.09 |
| Choline Cl-60% | 0.05 | 0.05 |
| Vitamin premix | 0.05 | 0.05 |
| Phytase | 0.005 | 0.005 |
| Oro Glo 20 (pigment) | 0.10 | 0.10 |
| Trace mineral premix a , b , c | 0.20 | 0.20 |
| Methionine | 0.27 | 0.23 |
| Total | 100 | 100 |
| Calculated nutrient profile | ||
| ME, kcal/kg | 3044 | 3126 |
| Crude protein, % | 23.23 | 21.32 |
| Lys, digestible% | 1.25 | 1.12 |
| Met, digestible% | 0.35 | 0.34 |
| TSAA, digestible% | 0.70 | 0.66 |
| Thr, digestible% | 0.88 | 0.80 |
| Arg, digestible% | 1.43 | 1.28 |
| Val, digestible% | 1.04 | 0.96 |
| Trp, digestible% | 0.25 | 0.22 |
| Ile, digestible% | 0.95 | 0.86 |
| Ca, % | 0.95 | 0.89 |
| P, available% | 0.50 | 0.46 |
| P, total% | 0.79 | 0.73 |
| Sodium% | 0.20 | 0.20 |
| Analyzed proximate | ||
| Protein, % | 23.50 | 21.54 |
| Dry matter, % | 88.58 | 87.29 |
| Ash, % | 5.43 | 5.00 |
| Fat, % | 5.11 | 6.04 |
| Fiber, % | 2.99 | 2.59 |
| Digestible TSAA and supplemental Met source and dose | ||
| 5% lower dig. TSAA | 0.89 | 0.82 |
| Suppl. DL-Met, % | 0.19 | 0.16 |
| Suppl. HMTBa, % | 0.22 | 0.18 |
| 5% higher dig. TSAA | 0.98 | 0.91 |
| Suppl. DL-Met, % | 0.29 | 0.25 |
| Suppl. HMTBa, % | 0.32 | 0.28 |
a
Trace mineral premix were included at 0.2%.
b
Final concentration of minerals in diets supplemented with ITM: zinc sulfate monohydrate, 80 mg/kg; Copper Sulfate, 20 mg/kg; manganese sulfate monohydrate, 100 mg/kg; sodium selenite, 0.3 mg/kg; ferrous sulfate monohydrate, 80 mg/kg; calcium iodate, 1.25 mg/kg.
c
Final concentration of minerals in diets supplemented with MMHAC: Zn-methionine hydroxy-analogue (Zn-MHAC), 40 mg/kg; Cu-MHAC, 10 mg/kg; Mn-MHAC, 50 mg/kg; sodium selenite, 0.3 mg/kg; ferrous sulfate monohydrate, 80 mg/kg; calcium iodate, 1.25 mg/kg.