Table 1.
Composition of nursery diets
| Phase 11 | Phase 22 | Phase 33 | Phase 44 | |||||
|---|---|---|---|---|---|---|---|---|
| Item | A5 | GLN6 | NA7 | A | GLN | NA | ||
| Ingredient, % as fed | ||||||||
| Corn | 30.81 | 31.18 | 31.38 | 37.52 | 37.89 | 38.09 | 51.63 | 57.38 |
| SBM, 48% CP | 13.95 | 13.95 | 13.95 | 18.00 | 18.00 | 18.00 | 25.65 | 30.70 |
| Dried distillers grain with solubles | – | – | – | – | – | – | – | 5.00 |
| Soybean oil | 5.00 | 5.00 | 5.00 | 5.00 | 5.00 | 5.00 | 3.00 | – |
| Choice white grease | – | – | – | – | – | – | – | 3.00 |
| Limestone | 0.79 | 0.79 | 0.79 | 0.74 | 0.74 | 0.74 | 0.86 | 1.33 |
| Monocalcium phosphate | 0.40 | 0.40 | 0.40 | 0.49 | 0.49 | 0.49 | 0.49 | 0.74 |
| Vitamin premix8 | 0.25 | 0.25 | 0.25 | 0.25 | 0.25 | 0.25 | 0.25 | 0.25 |
| Trace mineral premix9 | 0.125 | 0.125 | 0.125 | 0.125 | 0.125 | 0.125 | 0.125 | 0.125 |
| Selenium premix10 | 0.05 | 0.05 | 0.05 | 0.05 | 0.05 | 0.05 | 0.05 | 0.05 |
| Phytase11 | 0.10 | 0.10 | 0.10 | 0.10 | 0.10 | 0.10 | 0.10 | 0.10 |
| Salt | 0.25 | 0.25 | 0.25 | 0.25 | 0.25 | 0.25 | 0.30 | 0.35 |
| Plasma protein | 6.50 | 6.50 | 6.50 | 2.50 | 2.50 | 2.50 | – | – |
| Spray dried blood meal | 1.50 | 1.50 | 1.50 | 1.50 | 1.50 | 1.50 | – | – |
| Soy concentrate | 4.00 | 4.00 | 4.00 | 3.00 | 3.00 | 3.00 | 2.50 | – |
| Select menhaden fish meal | 5.00 | 5.00 | 5.00 | 4.00 | 4.00 | 4.00 | 4.00 | – |
| Dried whey | 25.00 | 25.00 | 25.00 | 25.00 | 25.00 | 25.00 | 10.00 | – |
| Lactose | 5.00 | 5.00 | 5.00 | – | – | – | – | – |
| Lysine–HCL | 0.07 | 0.07 | 0.07 | 0.20 | 0.20 | 0.20 | 0.28 | 0.40 |
| dl-Methionine | 0.22 | 0.22 | 0.22 | 0.23 | 0.23 | 0.23 | 0.18 | 0.17 |
| l-Threonine | 0.04 | 0.04 | 0.04 | 0.09 | 0.09 | 0.09 | 0.12 | 0.14 |
| l-Tryptophan | – | – | – | 0.01 | 0.01 | 0.01 | 0.01 | 0.00 |
| Zinc oxide | 0.375 | 0.375 | 0.375 | 0.375 | 0.375 | 0.375 | 0.375 | – |
| Copper sulphate | – | – | – | – | – | – | – | 0.10 |
| Aureomycin 5012 | 0.40 | – | – | 0.40 | – | – | – | – |
| Denagard 1013 | 0.18 | – | – | 0.18 | – | – | – | – |
| l-Glutamine14 | – | 0.20 | – | – | 0.20 | – | – | – |
| Banminth 4815 | – | – | – | – | – | – | – | 0.10 |
| Clarifly, 0.67%16 | – | – | – | – | – | – | 0.08 | 0.07 |
| Calculated chemical composition | ||||||||
| ME, kcal/kg | 3536 | 3536 | 3536 | 3510 | 3510 | 3510 | 3418 | 3396 |
| Fat, % | 7.27 | 7.27 | 7.27 | 7.36 | 7.36 | 7.36 | 5.73 | 5.86 |
| CP, % | 24.62 | 24.62 | 24.62 | 22.87 | 22.87 | 22.87 | 22.29 | 21.28 |
| SID Lys, % | 1.55 | 1.55 | 1.55 | 1.45 | 1.45 | 1.45 | 1.35 | 1.25 |
| Ca, % | 0.90 | 0.90 | 0.90 | 0.85 | 0.85 | 0.85 | 0.80 | 0.75 |
| Total P, % | 0.75 | 0.75 | 0.75 | 0.71 | 0.71 | 0.71 | 0.64 | 0.57 |
| Avail. P, % | 0.60 | 0.60 | 0.60 | 0.55 | 0.55 | 0.55 | 0.45 | 0.36 |
| Analyzed chemical composition | ||||||||
| Summer replicate | ||||||||
| GE, kcal/kg | 4217 | 4251 | 4173 | 4172 | 4146 | 4184 | – | – |
| CP, % | 24.42 | 25.62 | 23.85 | 22.30 | 22.38 | 22.46 | 22.07 | 22.00 |
| Total Lys, % | 1.30 | 1.35 | 1.26 | 1.13 | 1.18 | 1.11 | – | – |
| Total Glu, %17 | 3.15 | 3.43 | 3.11 | 2.78 | 2.88 | 2.68 | – | – |
| Chlortetracycline, ppm18 | 467 | 0 | 0 | 468 | 0 | 0 | – | – |
| Spring replicate | ||||||||
| GE, kcal/kg | 4266 | 4199 | 4079 | 4174 | 4193 | 4129 | – | – |
| CP, % | 25.36 | 26.37 | 22.51 | 22.78 | 23.02 | 24.68 | 22.37 | 21.14 |
| Total Lys, % | 1.58 | 1.75 | 1.40 | 1.54 | 1.51 | 1.51 | – | – |
| Total Glu, % | 3.70 | 4.23 | 3.17 | 3.68 | 3.81 | 3.62 | – | – |
| Chlortetracycline, ppm | 436 | 0 | 0 | 436 | 0 | 0 | – | – |
1Fed days 0 to 7 postweaning and transport.
2Fed days 7 to 14 postweaning and transport.
3Fed days 14 to 21 postweaning and transport.
4Fed days 21 to 34 postweaning and transport.
5Pigs provided dietary antibiotics [chlortetracycline (441 ppm) + tiamulin (38.6 ppm)].
6Pigs provided 0.20% l-glutamine.
7Pigs provided no dietary antibiotics.
8Provided per kilogram of the diet: vitamin A, 6,615 IU; vitamin D3, 662 IU; vitamin E, 44 IU; vitamin K, 2.2 mg; riboflavin, 8.8 mg; pantothenic acid, 22 mg; niacin, 33 mg; B12, 38.6 mg.
9Provided available minerals per kilogram of the diet: iron, 121.3 mg; zinc, 121.3 mg; manganese, 15 mg; copper, 11.3 mg; iodine, 0.46 mg.
10Provided 0.3 ppm Se.
11Provided 600 FTU per kg of the diet.
12Aureomycin (Zoetis, Parsippany, NJ) provided 441 ppm chlortetracycline in the diet.
13Denagard (Elanco Animal Health, Greenfield, IN) provided 38.6 ppm tiamulin in the diet.
14Ajinomoto North America, Inc., Raleigh, NC.
15Banminth (Phibro Animal Health Corporation, Teaneck, NJ) provided 106 ppm pyrantel tartrate in the diet.
16Clarifly (Central Life Sciences, Schaumburg, IL) provided 5.4 ppm (Phase 3) and 4.7 ppm (Phase 4) diflubenzuron in the diet.
17Samples submitted to Ajinomoto for glutamic acid analysis.
18Samples submitted to Zoetis, Parsippany, NJ for chlortetracycline analysis.