Table 1.
Diet composition (as-fed basis)
| Item | % |
|---|---|
| Ingredient | |
| Corn | 61.37 |
| Soybean meal (46.5% CP) | 33.79 |
| Choice white grease | 1.50 |
| Monocalcium phosphate (21% P) | 1.05 |
| Limestone | 1.00 |
| Salt | 0.35 |
| L-lysine HCl | 0.30 |
| DL-met | 0.12 |
| L-thr | 0.12 |
| Vitamin premix1 | 0.15 |
| Trace mineral premix2 | 0.25 |
| Phytase3 | —4 |
| Total | 100 |
| Calculated analysis | |
| Standard ileal digestible (SID) amino acids, % | |
| Lysine | 1.24 |
| Ile:lys | 63 |
| Leu:lys | 128 |
| Met:lys | 33 |
| Met & Cys:lys | 57 |
| Thr:lys | 63 |
| Trp:lys | 18.7 |
| Val:lys | 68 |
| Total lys, % | 1.39 |
| ME, kcal/kg5 | 3341 |
| NE, kcal/kg5 | 2471 |
| SID lys:ME, g/Mcal | 3.71 |
| CP, % | 21.6 |
| NDF, % | 8.5 |
| Ca, % | 0.70 |
| P, % | 0.63 |
| Available P, w/o phytase, % | 0.30 |
| Available P, % | 0.42 |
| Phytase, FTU/kg | —6 |
Provided per kg of premix: 4,409,200 IU vitamin A; 551,150 IU vitamin D3; 17,637 IU vitamin E; 1,764 mg vitamin K; 3,307 mg riboflavin; 11,023 mg pantothenic acid; 19,841 mg niacin; and 15.4 mg vitamin B12.
Provided per kg of premix: 26.5 g Mn from manganese oxide; 110 g Fe from iron sulfate; 110 g Zn from zinc sulfate; 11 g Cu from copper sulfate; 198 mg I from calcium iodate; and 198 mg Se from sodium selenite.
Phytase products were added at concentrations expected to release 0.12% available P based on manufacturer recommendations.
Quantum Blue G (AB Vista, Plantation, FL) included at 0.015%; Ronozyme Ronozyme Hi Phos GT (DSM Nutritional Products, Parsippany, NJ) included at 0.022%; Axtra Phy TPT (Dupont, Wilmington, DE) included at 0.007%; Microtech 5000 Plus (Guangdong Vtr Bio-Tech Co., Ltd., Guangdong, China) included at 0.017%.
Quantum Blue G (AB Vista, Plantation, FL), Ronozyme Ronozyme Hi Phos GT (DSM Nutritional Products), Axtra Phy TPT (Dupont) and Microtech 5000 Plus (Guangdong Vtr Bio-Tech Co., Ltd.) provided 350, 550, 375, and 850 FTU/kg, respectively.