Table 1.
Ingredient composition of experimental diets, g/kg as-fed basis.
| Ingredients | Diet1 |
||||||
|---|---|---|---|---|---|---|---|
| 0 FYT/kg phytase |
1,000 FYT/kg phytase |
PFD | |||||
| Corn | SBM | C + SBM | Corn | SBM | C + SBM | ||
| Ground corn | 912.4 | - | 526.1 | 912.4 | - | 526.1 | - |
| Soybean meal | 0.0 | 482.0 | 386.0 | 0.0 | 482.0 | 386.0 | - |
| Dextrose | 20.0 | 451.7 | 20.0 | - | 431.7 | - | 460.0 |
| Corn starch | - | - | - | - | - | - | 145.0 |
| Gelatin2 | - | - | - | - | - | - | 262.0 |
| Soybean oil | 30.0 | 30.0 | 30.0 | 30.0 | 30.0 | 30.0 | 30.0 |
| Cellulose3 | - | - | - | - | - | - | 50.0 |
| Ground limestone | 3.6 | 2.3 | 3.9 | 3.6 | 2.3 | 3.9 | 5.5 |
| Salt | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | - |
| Potassium carbonate | - | - | - | - | - | - | 2.6 |
| Magnesium oxide | - | - | - | - | - | - | 2.0 |
| Sodium bicarbonate | - | - | - | - | - | - | 7.5 |
| Choline chloride | - | - | - | - | - | - | 2.5 |
| Potassium chloride | - | - | - | - | - | - | 2.9 |
| Vitamin-mineral premix4 | 5.0 | 5.0 | 5.0 | 5.0 | 5.0 | 5.0 | 5.0 |
| Phytase premix5 | - | - | - | 20.0 | 20.0 | 20.0 | - |
| Chromic oxide premix6 | 25.0 | 25.0 | 25.0 | 25.0 | 25.0 | 25.0 | 25.0 |
| Total | 1,000 | 1,000 | 1,000 | 1,000 | 1,000 | 1,000 | 1,000 |
FYT = phytase units; SBM = soybean meal; C + SBM = corn + soybean meal; PFD = phosphorus-free diet.
PB Leiner, Vilvoorde, Belgium.
Solka-floc 40 FCC, International Fiber Corporation, North Tonawanda, NY.
Supplied the following quantities per kg of the diet: vitamin A, 5,484 IU; vitamin D3, 2,643 ICU; vitamin E, 11 IU; menadione sodium bisulfite, 4.38 mg; riboflavin, 5.49 mg; D-pantothenic acid, 11 mg; niacin, 44.1 mg; choline chloride, 771 mg; vitamin B12, 13.2 μg; biotin, 55.2 μg; thiamine mononitrate, 2.2 mg; folic acid, 990 μg; pyridoxine hydrochloride, 3.3 mg; I, 1.11 mg; Mn, 66.06 mg; Cu, 4.44 mg; Fe, 44.1 mg; Zn, 44.1 mg; Se, 300 μg.
Phytase product contains 2500 FYT (RONOZYME HiPhos, DSM Nutritional Products, Switzerland). The phytase premix was prepared with dextrose to provide 1,000 FYT/kg of diet.
Prepared as 1-g chromic oxide added to 4-g dextrose.