Table 2.
Composition of diets for phases 3 to 5, Exp. 1 (as-fed basis)1
| Phase 3 SID Lys,2 % | Phase 4 SID Lys,2 % | Phase 5 SID Lys,2 % | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Item | 85 | 92.5 | 100 | 85 | 92.5 | 100 | 85 | 92.5 | 100 |
| Ingredient, % | |||||||||
| Corn | 46.59 | 44.58 | 42.57 | 48.8 | 46.98 | 45.17 | 41.81 | 39.39 | 36.97 |
| Soybean meal, 46.5% CP | 6.31 | 8.3 | 10.28 | 4.15 | 5.95 | 7.74 | 11.04 | 13.4 | 15.79 |
| Distillers dried grains with solubles | 30.00 | 30.00 | 30.00 | 30.00 | 30.00 | 30.00 | 30.00 | 30.00 | 30.00 |
| Bakery meal | 15.00 | 15.00 | 15.00 | 15.00 | 15.00 | 15.00 | 15.00 | 15.00 | 15.00 |
| Limestone | 1.15 | 1.15 | 1.15 | 1.13 | 1.13 | 1.13 | 1.15 | 1.15 | 1.15 |
| Salt | 0.35 | 0.35 | 0.35 | 0.35 | 0.35 | 0.35 | 0.35 | 0.35 | 0.35 |
| Vitamin premix3 | 0.08 | 0.08 | 0.08 | 0.08 | 0.08 | 0.08 | 0.08 | 0.08 | 0.08 |
| Trace mineral premix4 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 |
| Lysine sulfate5 | 0.425 | 0.448 | 0.47 | 0.395 | 0.415 | 0.435 | 0.45 | 0.475 | 0.5 |
| L-Thr | — | — | — | — | — | — | 0.03 | 0.03 | 0.03 |
| Phytase6 | 0.005 | 0.005 | 0.005 | 0.005 | 0.005 | 0.005 | 0.005 | 0.005 | 0.005 |
| Ractopamine HCl7 | — | — | — | — | — | — | 0.025 | 0.025 | 0.025 |
| TBCC8 | ± | ± | ± | ± | ± | ± | ± | ± | ± |
| Total | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 |
| Calculated analysis | |||||||||
| Standard ileal digestible (SID) amino acids, % | |||||||||
| Lys | 0.68 | 0.74 | 0.80 | 0.61 | 0.67 | 0.72 | 0.81 | 0.88 | 0.95 |
| Ile:Lys | 80 | 78 | 76 | 83 | 81 | 79 | 77 | 75 | 74 |
| Meth:Lys | 74 | 70 | 67 | 79 | 75 | 72 | 36 | 35 | 33 |
| Met + Cys:Lys | 74 | 70 | 67 | 79 | 75 | 72 | 67 | 64 | 62 |
| Thr:Lys | 67 | 65 | 64 | 70 | 68 | 66 | 68 | 66 | 65 |
| Trp:Lys | 18.2 | 18.2 | 18.2 | 18.3 | 18.3 | 18.3 | 18.6 | 18.6 | 18.6 |
| Val:Lys | 97 | 93 | 90 | 102 | 98 | 95 | 91 | 88 | 85 |
| Total lysine, % | 0.85 | 0.92 | 0.98 | 0.85 | 0.92 | 0.98 | 0.99 | 1.07 | 1.14 |
| SID lysine:ME, g/Mcal | 2 | 2.17 | 2.35 | 1.8 | 1.96 | 2.12 | 2.38 | 2.59 | 2.8 |
| ME, kcal/kg | 3,401 | 3,403 | 3,405 | 3,407 | 3,406 | 3,404 | 3,399 | 3,397 | 3,395 |
| NE, kcal/kg | 2,517 | 2,528 | 2,540 | 2,553 | 2,543 | 2,532 | 2,511 | 2,498 | 2,485 |
| CP, % | 17.2 | 18 | 18.8 | 16.4 | 17.1 | 17.8 | 19.1 | 20.1 | 21 |
| Ca, % | 0.49 | 0.49 | 0.5 | 0.47 | 0.48 | 0.48 | 0.5 | 0.51 | 0.52 |
| P, % | 0.38 | 0.39 | 0.4 | 0.37 | 0.38 | 0.39 | 0.41 | 0.42 | 0.43 |
| Available P, % | 0.25 | 0.26 | 0.26 | 0.25 | 0.25 | 0.26 | 0.26 | 0.27 | 0.28 |
1Phase 3 diets fed from day 38 to 70, phase 4 diets fed from day 70 to 97, and phase 5 diets fed from day 97 to 120. All diets were fed in meal form.
2Standardized ileal digestible; SID Lys values (NRC, 2012) are expressed as the percentage of estimated SID Lys requirement for these pigs in this environment and production phase.
3Provided per kilogram of premix: 7,054,720 IU vitamin A; 1,102,300 IU vitamin D3; 35,274 IU vitamin E; 3,527 mg vitamin K; 6,173 mg riboflavin; 22,046 mg pantothenic acid; 39,683 mg niacin; and 26 mg vitamin B12.
4Provided per kilogram of premix: 17 g Mn from manganese oxide, 110 g Fe from ferrous sulfate, 110 g Zn from zinc oxide, 17 g Cu from copper sulfate, 331 mg I from ethylenediamine dihydroiodide, and 300 mg Se from sodium selenite.
5Biolys (Evonik, Inc., Kennesaw, GA).
6Optiphos 2000 (Huvepharma, Inc., Peachtree City, GA) provided 200 phytase units (FTU)/kg, with a release of 0.05% available P.
7Paylean 9 (Elanco Animal Health, Inc.) provided 5 mg/kg ractopamine HCl.
8Tribasic copper chloride (Intellibond C; Micronutrients, Inc.) provided 150 mg/kg Cu and was added at the expense of corn.