Table 2.
Nutrient compositions of experimental diets, as fed basis.
| Starter Diet | Grower Diet | Finisher Diet | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Composition | Unit | CON | RCP | AD | CD | CON | RCP | AD | CD | CON | RCP | AD | CD |
| Calculated composition | |||||||||||||
| Crude protein | % | 18.50 | 16.50 | 18.50 | 16.50 | 16.03 | 14.00 | 16.03 | 14.02 | 15.52 | 13.52 | 15.52 | 13.50 |
| Crude fat | % | 4.37 | 4.63 | 4.59 | 4.57 | 4.21 | 4.24 | 4.70 | 4.71 | 3.86 | 3.82 | 4.29 | 4.20 |
| Crude fiber | % | 4.20 | 4.04 | 4.20 | 3.84 | 5.85 | 5.48 | 5.64 | 5.49 | 6.21 | 6.05 | 6.13 | 6.08 |
| Crude ash | % | 5.00 | 4.95 | 4.99 | 4.92 | 4.81 | 4.75 | 4.70 | 4.54 | 4.69 | 4.50 | 4.68 | 4.44 |
| Moisture | % | 10.67 | 11.69 | 10.44 | 11.31 | 11.53 | 12.27 | 11.28 | 11.94 | 11.68 | 12.23 | 11.42 | 11.52 |
| Starch | % | 39.48 | 40.12 | 38.40 | 39.93 | 39.01 | 40.46 | 37.89 | 39.32 | 38.33 | 39.94 | 37.17 | 39.55 |
| Sugars | % | 5.33 | 5.55 | 5.27 | 5.31 | 5.00 | 5.08 | 5.09 | 5.12 | 4.89 | 4.77 | 5.01 | 4.37 |
| Non-starch polysaccharides | % | 16.42 | 16.13 | 16.66 | 16.08 | 19.54 | 19.06 | 19.48 | 19.24 | 21.16 | 21.03 | 21.06 | 21.20 |
| Digestible non-starch polysaccharides | % | 9.08 | 8.80 | 9.10 | 8.70 | 10.30 | 9.92 | 10.29 | 9.92 | 11.51 | 11.17 | 11.32 | 11.05 |
| Net energy | Kcal | 2396 | 2396 | 2396 | 2396 | 2299 | 2299 | 2304 | 2302 | 2253 | 2255 | 2253 | 2253 |
| Apparent ileal digestible amino acids | |||||||||||||
| Lys | % | 1.02 | 1.02 | 1.02 | 1.02 | 0.79 | 0.79 | 0.79 | 0.79 | 0.68 | 0.68 | 0.68 | 0.68 |
| Met | % | 0.34 | 0.39 | 0.35 | 0.42 | 0.25 | 0.26 | 0.25 | 0.26 | 0.21 | 0.21 | 0.21 | 0.21 |
| Met + Cys | % | 0.60 | 0.61 | 0.60 | 0.64 | 0.48 | 0.46 | 0.48 | 0.46 | 0.44 | 0.41 | 0.44 | 0.41 |
| Thr | % | 0.66 | 0.66 | 0.66 | 0.66 | 0.51 | 0.51 | 0.52 | 0.52 | 0.44 | 0.44 | 0.45 | 0.44 |
| Tryp | % | 0.19 | 0.19 | 0.19 | 0.19 | 0.15 | 0.15 | 0.15 | 0.15 | 0.14 | 0.13 | 0.14 | 0.13 |
| Iso-Val | % | 0.61 | 0.53 | 0.61 | 0.53 | 0.50 | 0.41 | 0.50 | 0.42 | 0.47 | 0.38 | 0.47 | 0.38 |
| Val | % | 0.70 | 0.64 | 0.70 | 0.64 | 0.59 | 0.50 | 0.59 | 0.50 | 0.56 | 0.47 | 0.57 | 0.47 |
| Calcium | % | 0.70 | 0.70 | 0.70 | 0.70 | 0.65 | 0.65 | 0.62 | 0.62 | 0.62 | 0.61 | 0.62 | 0.61 |
| Phosphorus total | % | 0.43 | 0.41 | 0.43 | 0.40 | 0.47 | 0.44 | 0.47 | 0.44 | 0.47 | 0.45 | 0.47 | 0.45 |
| Potassium | % | 0.85 | 0.86 | 0.85 | 0.84 | 0.80 | 0.78 | 0.80 | 0.78 | 0.78 | 0.74 | 0.79 | 0.74 |
| Sodium | % | 0.17 | 0.17 | 0.17 | 0.17 | 0.14 | 0.18 | 0.14 | 0.14 | 0.14 | 0.14 | 0.14 | 0.14 |
| Digestible phosphorus | % | 0.27 | 0.28 | 0.27 | 0.27 | 0.27 | 0.27 | 0.27 | 0.27 | 0.25 | 0.26 | 0.26 | 0.25 |
| Sulfur total | % | 0.27 | 0.28 | 0.27 | 0.28 | 0.24 | 0.23 | 0.23 | 0.23 | 0.22 | 0.21 | 0.22 | 0.21 |
| Dietary electrolyte balance | meq | 215 | 220 | 215 | 220 | 198 | 200 | 199 | 201 | 193 | 195 | 194 | 195 |
| Vit A -added | IE/kg | 10,000 | 10,000 | 10,000 | 10,000 | 9719 | 9719 | 9719 | 9719 | 7758 | 7758 | 7758 | 7758 |
| Vit D3 -added | IE/kg | 2000 | 2000 | 2000 | 2000 | 1996 | 1996 | 1996 | 1996 | 1842 | 1842 | 1842 | 1842 |
| Vit E -added | mg/kg | 120 | 120 | 120 | 120 | 101 | 101 | 101 | 101 | 99 | 99 | 99 | 99 |
| Phytase-equivalent | FU/kg | 1000 | 1000 | 1000 | 1000 | 758 | 758 | 758 | 758 | 657 | 657 | 657 | 657 |
| Analyzed composition | |||||||||||||
| Crude protein | % | 18.6 | 16.2 | 17.9 | 16.8 | 16.2 | 15.1 | 15.7 | 14.4 | 15.6 | 13.7 | 15.6 | 13.6 |
| Crude fat | % | 5.0 | 4.9 | 5.3 | 5.4 | 4.4 | 4.3 | 4.4 | 4.7 | 4.1 | 4.1 | 4.4 | 4.4 |
| Crude fiber | % | 4.2 | 4.2 | 4.3 | 3.9 | 5.5 | 5.2 | 5.2 | 5.7 | 5.7 | 5.7 | 5.8 | 6.2 |
| Crude ash | % | 5.1 | 5.7 | 5.0 | 4.9 | 4.8 | 4.9 | 4.6 | 4.7 | 4.6 | 4.4 | 4.6 | 3.9 |
| Sugar | % | 5.4 | 4.9 | 5.2 | 6.0 | 5.1 | 5.1 | 5.6 | 5.0 | 5.1 | 4.4 | 5.0 | 4.4 |
| Starch | % | 35.7 | 36.8 | 35.9 | 36.2 | 36.8 | 38.7 | 38.2 | 36.4 | 37.5 | 40.0 | 37.2 | 37.5 |
| Calcium | % | 0.84 | 1.17 | 0.76 | 0.77 | 0.74 | 0.72 | 0.70 | 0.79 | 0.68 | 0.64 | 0.68 | 0.76 |
| Potassium | % | 0.81 | 0.83 | 0.84 | 0.84 | 0.79 | 0.75 | 0.76 | 0.76 | 0.76 | 0.72 | 0.78 | 0.81 |
| Sodium | % | 0.15 | 0.15 | 0.17 | 0.17 | 0.14 | 0.15 | 0.13 | 0.13 | 0.13 | 0.13 | 0.14 | 0.13 |
| Chlorine | % | 0.25 | 0.25 | 0.27 | 0.28 | 0.23 | 0.27 | 0.23 | 0.22 | 0.23 | 0.21 | 0.24 | 0.16 |
| Sulfur total | % | 0.22 | 0.26 | 0.24 | 0.26 | 0.19 | 0.23 | 0.17 | 0.23 | 0.17 | 0.22 | 0.17 | 0.22 |
| Benzoic | % | 0.87 | 0.65 | 0.70 | 0.88 | 0.83 | 0.94 | ||||||
| Formic acid | % | 0.53 | 0.64 | 0.48 | 0.60 | 0.58 | 0.62 | ||||||
| Dietary electrolyte balance | meq | 202 | 207 | 212 | 210 | 198 | 181 | 186 | 189 | 186 | 182 | 193 | 218 |
CON = control diet, RDP = reduced crude protein diet, AD = acidifying diet, CD = combined diet = reduced crude protein + acidifying diet, Dietary electrolyte balance was determined as mEq = Na + K − Cl.