Table 1.
Diet composition and chemical analysis for Exp. 1 and 2 (as-fed basis)1,2
| Item | Exp. 1 and 2 |
|---|---|
| Ingredient, % | |
| Corn | 63.75 |
| Soybean meal (47.7% CP) | 32.85 |
| Monocalcium phosphate (21.5% P) | 1.10 |
| Limestone | 0.98 |
| Salt | 0.35 |
| L-Lys HCl | 0.30 |
| DL-Met | 0.12 |
| L-Thr | 0.12 |
| Vitamin premix3 | 0.25 |
| Trace mineral premix4 | 0.15 |
| Phytase5 | 0.015 |
| Total | 100 |
| Calculated analysis6 | |
| Standard ileal digestible (SID) amino acids, % | |
| Lys | 1.22 |
| Ile:Lys | 63 |
| Leu:Lys | 129 |
| Met:Lys | 33 |
| Met & Cys:Lys | 57 |
| Thr:Lys | 63 |
| Trp:Lys | 19 |
| Val:Lys | 69 |
| Total Lys, % | 1.37 |
| ME, kcal/kg | 3,324 |
| NE, kcal/kg | 2,408 |
| SID Lys:ME, g/Mcal | 3.73 |
| SID Lys:NE, g/Mcal | 5.07 |
| CP, % | 21.4 |
| Ca, % | 0.70 |
| P, % | 0.64 |
| STTP P, % | 0.47 |
| Chemical analysis7 | |
| DM, % | 89.6 |
| CP, % | 20.8 |
| Ca, % | 0.77 |
| P, % | 0.61 |
1Experiment 1 treatment diets were fed to 320 pigs (DNA [Columbus, NE] 400 × 200, initial BW 10.7 ± 0.27 kg) for 21 d.
2Experiment 2 treatment diets were fed to 90 pigs (PIC [Hendersonville, TN] 327 × 1050, initial BW 12.1 ± 0.25 kg) for 7 d.
3Premix provided per kilogram of premix: 4,409,249 IU vitamin A; 551,156 IU vitamin D3; 17,637 IU vitamin E; 1,764 mg vitamin K; 15.4 mg vitamin B12; 19,842 mg niacin; 11,023 mg pantothenic acid; and 3,307 mg riboflavin.
4Premix provided per kilogram of premix: 110 g Fe from iron sulfate; 110 g Zn from zinc sulfate; 26.4 g Mn from manganese oxide; 11 g Cu from copper sulfate; 198 mg I from calcium iodate; and 198 mg Se from sodium selenite.
5HiPhos 2700 (DSM Nutritional Products, Inc., Parsippany, NJ) provided an estimated release of 0.09% STTD P.
6 NRC (2012).
7A composite sample collected directly from multiple feeders per treatment within experiment, subsampled, and submitted to Ward Laboratories (Kearney, NE) for analysis. Analyzed values were then averaged among treatments and experiments (n = 7 values for each reported value).