Table 1. Ingredients and chemical compositions of experimental diets.
| Ingredient index | APD as-fed (g/kg) | Unbalanced APD as-fed (g/kg) | PPD as-fed (g/kg) | Unbalanced PPD as-fed (g/kg) |
|---|---|---|---|---|
| Ethanol yeast1 | 65.2 | 65.2 | 65.2 | 65.2 |
| Soybean meal2 | 6.5 | 6.5 | 6.5 | 6.5 |
| Feather meal3 | 73.7 | 73.7 | 0.0 | 0.0 |
| IDF chicken 423 | 72.9 | 72.9 | 0.0 | 0.0 |
| Blood meal US4 | 44.9 | 44.9 | 0.0 | 0.0 |
| Soy protein concentrate2 | 95.7 | 144.3 | 308.5 | 361.7 |
| Corn protein4 | 95.7 | 95.7 | 95.7 | 95.7 |
| Wheat midds3 | 56.2 | 56.2 | 56.2 | 56.2 |
| Poultry fat3 | 0.00 | 0.00 | 13.6 | 13.6 |
| Wheat flour4 | 193.2 | 195.4 | 159.3 | 155.3 |
| Menhaden fish oil5 | 176.0 | 175.1 | 175.0 | 175.0 |
| Lecithin | 10.0 | 10.0 | 10.0 | 10.0 |
| Stay-C 35 | 15.0 | 15.0 | 15.0 | 15.0 |
| Vitamin premix ARS 7026 | 10.0 | 10.0 | 10.0 | 10.0 |
| TM ARS 6407 | 10.0 | 10.0 | 10.0 | 10.0 |
| NaCl | 2.8 | 2.8 | 2.8 | 2.8 |
| Magnesium oxide | 0.6 | 0.6 | 0.6 | 0.6 |
| Potassium chloride | 5.6 | 5.6 | 5.6 | 5.6 |
| Monocalcium phosphate | 33.0 | 31.0 | 30.0 | 28.0 |
| Choline Cl 50% | 10.0 | 10.0 | 10.0 | 10.0 |
| DL-methionine | 7.6 | 0.0 | 7.5 | 0.0 |
| Lysine HCl | 29.4 | 0.0 | 28.6 | 0.0 |
| Threonine | 7.6 | 0.0 | 8.4 | 0.0 |
| Taurine | 5.0 | 5.0 | 5.0 | 5.0 |
| Yttrium oxide | 1.0 | 1.0 | 1.0 | 1.0 |
| Astaxanthin | 0.8 | 0.8 | 0.8 | 0.8 |
| Proximate composition | ||||
| Crude protein (g/kg) | 454.2 | 447.2 | 441.3 | 440.8 |
| Fat (g/kg) | 140.3 | 167.9 | 132.0 | 135.9 |
| Gross energy (MJ/kg) | 23.6 | 23.7 | 23.1 | 22.7 |
1 Archer Daniels Midland (Decatur, IL, USA).
2 Nelson & Sons Inc. (Murray, UT, USA).
3 MGP Ingredients, Inc. (Atchison, KS, USA.
4 Gavilon LLC, (Omaha, NE, USA).
5MGP Ingredients, Inc. (Atchison, KS, USA).
6Contributed per kg of diet: vitamin A (as retinol palmitate), 30,000 IU; vitamin D3, 2160 IU; vitamin E (as DL-%-tocopheryl-acetate), 1590 IU; niacin, 990 mg; calcium pantothenate, 480 mg; riboflavin, 240 mg; thiamin mononitrate, 150 mg; pyridoxine hydrochloride, 135 mg; menadione sodium bisulfate, 75 mg; folacin, 39 mg; biotin, 3 mg; vitamin B12, 90 μg.
7Contributed in mg/kg of diet: zinc, 37; manganese, 10; iodine, 5; copper, 3; selenium, 0.4.