Table 2.
Main ingredients and nutritional specifications of experimental diets of 19 floor pen trials with broiler chickens1.
| Main ingredients and specifications (g/kg) | Trial 1 | Trial 22 | Trial 3 | Trial 42 | Trial 5 | Trial 62,4 | Trial 72 | Trial 82 | Trial 9 | Trial 10 | Trial 11 | Trial 12 | Trial 134 | Trial 14 | Trial 15 | Trial 16 | Trial 17 | Trial 18 | Trial 194 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Starter | |||||||||||||||||||
| Corn | 635.1 | ND | 634.1 | ND | 0.0 | ND | ND | ND | 560.8 | 0.0 | 0.0 | 583.5 | 439.0 | 527.0 | 583.5 | 0.0 | 0.0 | 239.4 | 320.0 |
| Wheat | 0.0 | ND | 0.0 | ND | 514.2 | ND | ND | ND | 0.0 | 517.8 | 551.0 | 0.0 | 50.0 | 0.0 | 0.0 | 549.2 | 560.0 | 368.1 | 304.8 |
| Soybean meal | 273.7 | ND | 283.0 | ND | 300.0 | ND | ND | ND | 341.0 | 280.0 | 280.0 | 300.0 | 360.0 | 342.8 | 300.0 | 283.1 | 50.0 | 332.6 | 298.5 |
| Corn DDGS | 0.0 | ND | 0.0 | ND | 0.0 | ND | ND | ND | 50.0 | 0.0 | 0.0 | 50.0 | 50.0 | 50.0 | 50.0 | 50.0 | 0.0 | 0.0 | 0.0 |
| Rye | 0.0 | ND | 0.0 | ND | 0.0 | ND | ND | ND | 0.0 | 50.0 | 50.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| AMEn (kcal/kg) | 2,990 | ND | 2,940 | ND | 2,844 | 3,010 | ND | ND | 2,900 | 2,900 | 2,899 | 2,900 | 3,083 | 3,083 | 2,900 | 2,900 | 2,894 | 2,916 | 3,010 |
| CP | 22.1 | ND | 20.9 | ND | 22.7 | ND | ND | ND | 22.2 | 21.3 | 22.5 | 20.3 | 22.2 | 22.5 | 20.3 | 22.5 | 21.7 | 21.9 | 22.0 |
| Dig Lys | 1.02 | ND | 0.94 | ND | 0.91 | ND | ND | ND | 0.92 | 0.93 | 0.92 | 0.99 | 0.83 | 0.92 | 0.99 | 0.92 | 0.95 | 0.91 | 0.90 |
| Dig Met | 1.35 | ND | 1.14 | ND | 1.34 | ND | ND | ND | 1.24 | 1.25 | 1.24 | 1.33 | 1.30 | 1.24 | 1.33 | 1.24 | 1.21 | 1.21 | 1.21 |
| Ca | 0.90 | ND | 0.85 | ND | 0.86 | ND | ND | ND | 0.96 | 0.96 | 0.96 | 0.92 | 0.75 | 0.96 | 0.92 | 0.96 | 0.90 | 1.00 | 0.87 |
| Available P | 0.45 | ND | 0.35 | ND | 0.38 | ND | ND | ND | 0.48 | 0.48 | 0.48 | 0.35 | 0.34 | 0.48 | 0.35 | 0.48 | 0.46 | 0.47 | 0.46 |
| Grower3 | |||||||||||||||||||
| Corn | 685.5 | ND | 656.0 | ND | 0.0 | — | ND | ND | 565.3 | 0.0 | 0.0 | 653.8 | — | 542.9 | 653.8 | 0.0 | 0.0 | 189.4 | — |
| Wheat | 0.0 | ND | 0.0 | ND | 502.8 | — | ND | ND | 0.0 | 571.4 | 557.7 | 0.0 | — | 0.0 | 0.0 | 573.0 | 560.0 | 478.3 | — |
| Soybean meal | 219.9 | ND | 263.0 | ND | 266.0 | — | ND | ND | 280.2 | 170.0 | 240.0 | 204.0 | — | 271.0 | 204.0 | 230.5 | 230.0 | 266.3 | — |
| Corn DDGS | 0.0 | ND | 0.0 | ND | 0.0 | — | ND | ND | 100.0 | 0.0 | 0.0 | 100.0 | — | 100.0 | 100.0 | 60.0 | 0.0 | 0.0 | — |
| Rye | 0.0 | ND | 0.0 | ND | 0.0 | — | ND | ND | 0.0 | 50.0 | 50.0 | 0.0 | — | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | — |
| AMEn (kcal/kg) | 3,060 | ND | 2,988 | ND | 2,868 | — | 3,000 | 3,000 | 2,998 | 3,040 | — | 3,107 | 3,040 | 3,000 | 2,952 | 3,000 | — | ||
| CP | 20.0 | ND | 19.9 | ND | 21.4 | — | ND | ND | 20.8 | 19.0 | 20.9 | 17.5 | — | 20.5 | 17.5 | 20.5 | 20.6 | 19.8 | — |
| Dig Lys | 0.92 | ND | 0.86 | ND | 0.84 | — | ND | ND | 0.83 | 0.82 | 0.84 | 0.88 | — | 0.84 | 0.88 | 0.84 | 0.92 | 0.83 | — |
| Dig Met | 1.20 | ND | 1.06 | ND | 1.21 | — | ND | ND | 1.11 | 1.08 | 1.11 | 1.14 | — | 1.11 | 1.14 | 1.11 | 1.18 | 1.08 | — |
| Ca | 0.90 | ND | 0.80 | ND | 0.85 | — | ND | ND | 0.87 | 0.84 | 0.87 | 0.77 | — | 0.87 | 0.77 | 0.87 | 0.89 | 0.79 | — |
| Available P | 0.45 | ND | 0.28 | ND | 0.38 | — | ND | ND | 0.43 | 0.42 | 0.43 | 0.30 | — | 0.44 | 0.30 | 0.44 | 0.42 | 0.36 | — |
| Finisher | |||||||||||||||||||
| Corn | 743.2 | ND | 707.9 | ND | 0.0 | ND | ND | ND | 589.5 | 0.0 | 0.0 | 694.1 | 539.0 | 577.8 | 694.1 | 0.0 | 0.0 | 149.4 | 350.0 |
| Wheat | 0.0 | ND | 0.0 | ND | 507.5 | ND | ND | ND | 0.0 | 599.4 | 576.7 | 0.0 | 100.0 | 0.0 | 0.0 | 620.2 | 600.0 | 529.5 | 318.5 |
| Soybean meal | 274.0 | ND | 28.3 | ND | 208.0 | ND | ND | ND | 243.6 | 100.0 | 210.0 | 169.0 | 262.0 | 230.2 | 169.0 | 176.2 | 190.0 | 231.8 | 242.9 |
| Corn DDGS | 0.0 | ND | 0.0 | ND | 0.0 | ND | ND | ND | 100.0 | 0.0 | 0.0 | 100.0 | 50.0 | 100.0 | 100.0 | 60.0 | 0.0 | 0.0 | 0.0 |
| Rye | 0.0 | ND | 0.0 | ND | 0.0 | ND | ND | ND | 0.0 | 50.0 | 50.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| AMEn (kcal/kg) | 3,150 | ND | 3,060 | ND | 2,892 | 3,200 | ND | ND | 3,100 | 3,097 | 3,099 | 3,084 | 3,130 | 3,130 | 3,084 | 3,100 | 3,000 | 3,150 | 3,200 |
| CP | 17.9 | ND | 17.8 | ND | 19.5 | ND | ND | ND | 19.4 | 17.5 | 19.53 | 16 | 18.6 | 18.8 | 16 | 18.8 | 19.2 | 18.5 | 19.9 |
| Dig Lys | 0.83 | ND | 0.86 | ND | 0.75 | ND | ND | ND | 0.80 | 0.78 | 0.77 | 0.79 | 0.74 | 0.78 | 0.79 | 0.79 | 0.9 | 0.76 | 0.82 |
| Dig Met | 1.06 | ND | 0.94 | ND | 1.08 | ND | ND | ND | 1.03 | 1.00 | 0.99 | 1.01 | 1.06 | 1.00 | 1.01 | 0.99 | 1.0 | 1.00 | 1.08 |
| Ca | 0.80 | ND | 0.70 | ND | 0.84 | ND | ND | ND | 0.81 | 0.75 | 0.79 | 0.72 | 0.67 | 0.79 | 0.72 | 0.78 | 0.9 | 0.70 | 0.71 |
| Available P | 0.40 | ND | 0.29 | ND | 0.39 | ND | ND | ND | 0.40 | 0.38 | 0.38 | 0.27 | 0.35 | 0.39 | 0.27 | 0.39 | 0.4 | 0.30 | 0.36 |
The premixes included vitamins A, D3, E, K3, and B complex vitamins along with manganese, iron, zinc, iodine, copper, selenium, and calcium at commercially relevant levels.
1
All diets contained 1,000 FYT of phytase per kg (HiPhos, DSM Nutritional Products, Switzerland).
2
ND = not disclosed.
3
Five trials were performed by commercial poultry companies. Diet specifications were considered proprietary information and were not disclosed. All of these trials used U.S. corn-soybean meal–based diets with commercially relevant specifications.
4
Trials 6, 13, and 19 only used a starter diet and finisher diet, not a grower diet.