Table 1.
Composition of nursery diets
| Ingredient, % | Nursery 1 | Nursery 2 | Nursery 3 | Nursery 4 | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| CTL | 1X | 2X | CTL | 1X | 2X | CTL | 1X | 2X | CON | 1X | 2Xn | |
| Corn, yellow dent | 27.95 | 31.53 | 35.16 | 34.07 | 37.90 | 41.79 | 39.53 | 43.59 | 47.74 | 46.13 | 56.32 | 66.92 |
| Corn DDGS, 7% | 10.00 | 10.00 | 10.00 | 15.00 | 15.00 | 15.00 | ||||||
| Soybean meal, 47.5% CP | 15.00 | 15.00 | 15.00 | 18.00 | 18.00 | 18.00 | 20 | 20 | 20 | 31.14 | 21.84 | 11.96 |
| Soy protein concentrate | 8.07 | 4.61 | 0.99 | 8.04 | 4.40 | 0.44 | 11.20 | 7.28 | 3.14 | |||
| Soybean oil | 4.72 | 4.35 | 3.93 | 4.91 | 4.49 | 4.04 | 2.50 | 2.07 | 1.59 | |||
| Choice white grease | 4.71 | 3.39 | 1.90 | |||||||||
| Plasma spray-dried | 6.50 | 6.50 | 6.50 | 2.50 | 2.50 | 2.50 | ||||||
| Se premix | 0.05 | 0.05 | 0.05 | 0.05 | 0.05 | 0.05 | 0.05 | 0.05 | 0.05 | 0.05 | 0.05 | 0.05 |
| Blood meal spray-dried | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | ||||||
| Whey, dried | 25.00 | 25.00 | 25.00 | 25.00 | 25.00 | 25.00 | 10.00 | 10.00 | 10.00 | |||
| Fish meal, menhaden | 4.00 | 4.00 | 4.00 | 4.00 | 4.00 | 4.00 | 4.00 | 4.00 | 4.00 | |||
| Lactose | 5.00 | 5.00 | 5.00 | |||||||||
| Limestone | 1.14 | 1.15 | 1.16 | 0.99 | 1.01 | 1.03 | 0.91 | 0.92 | 0.94 | 1.09 | 1.13 | 1.18 |
| Monocalcium phosphate 21% | 0.05 | 0.09 | 0.13 | 0 | 0.01 | 0.05 | 0.15 | 0.19 | 0.23 | 0.78 | 0.85 | 0.93 |
| Trace Mineral Premix- pigs | 0.18 | 0.18 | 0.18 | 0.15 | 0.15 | 0.15 | 0.15 | 0.15 | 0.15 | 0.15 | 0.15 | 0.15 |
| Vitamin Premix- Nursery | 0.25 | 0.25 | 0.25 | 0.25 | 0.25 | 0.25 | 0.25 | 0.25 | 0.25 | 0.25 | 0.25 | 0.25 |
| Salt | 0.25 | 0.25 | 0.25 | 0.25 | 0.25 | 0.25 | 0.46 | 0.47 | 0.47 | 0.35 | 0.35 | 0.35 |
| Phytase | 0.10 | 0.10 | 0.10 | 0.10 | 0.10 | 0.10 | 0.10 | 0.10 | 0.10 | 0.10 | 0.10 | 0.10 |
| Carbadox | 0.25 | 0.25 | 0.25 | 0.25 | 0.25 | 0.25 | 0.25 | 0.25 | 0.25 | 0.25 | 0.25 | 0.25 |
| Zinc Oxide | 0.38 | 0.38 | 0.38 | 0.38 | 0.38 | 0.38 | 0.38 | 0.38 | 0.38 | |||
| l-Lysine HCl | 0.166 | 0.339 | 0.177 | 0.365 | 0.176 | 0.375 | 0.295 | 0.608 | ||||
| dl-Methionine | 0.113 | 0.148 | 0.198 | 0.072 | 0.125 | 0.183 | 0.061 | 0.119 | 0.181 | 0.004 | 0.087 | |
| l-Threonine | 0.074 | 0.001 | 0.095 | 0.07 | 0.016 | 0.151 | ||||||
| l-Tryptophan | 0.005 | 0.017 | 0.048 | 0.01 | 0.043 | 0.052 | ||||||
| l-Isoleucine | 0.01 | 0.0001 | 0.041 | |||||||||
| l-Valine | 0.04 | 0.033 | 0.042 | 0.021 | ||||||||
| Calculated composition, % | ||||||||||||
| Lysine | 1.80 | 1.80 | 1.79 | 1.63 | 1.63 | 1.62 | 1.55 | 1.54 | 1.53 | 1.20 | 1.18 | 1.15 |
| Threonine | 1.21 | 1.13 | 1.11 | 1.10 | 1.01 | 1.00 | 1.07 | 0.97 | 0.94 | 0.86 | 0.73 | 0.71 |
| Methionine | 0.50 | 0.51 | 0.54 | 0.46 | 0.49 | 0.52 | 0.45 | 0.48 | 0.51 | 0.37 | 0.33 | 0.36 |
| Met + Cysteine | 1.02 | 1.00 | 0.99 | 0.90 | 0.90 | 0.90 | 0.83 | 0.83 | 0.83 | 0.74 | 0.65 | 0.63 |
| Tryptophan | 0.36 | 0.33 | 0.31 | 0.33 | 0.32 | 0.31 | 0.3 | 0.28 | 0.27 | 0.26 | 0.2 | 0.20 |
| Isoleucine | 1.11 | 1.01 | 0.94 | 1.09 | 0.97 | 0.86 | 1.08 | 0.96 | 0.83 | 0.95 | 0.78 | 0.62 |
| Valine | 1.39 | 1.28 | 1.18 | 1.28 | 1.17 | 1.08 | 1.3 | 1.19 | 1.1 | 1.09 | 0.92 | 0.77 |
| Arginine | 1.64 | 1.45 | 1.25 | 1.58 | 1.38 | 1.17 | 1.66 | 1.45 | 1.23 | 1.42 | 1.13 | 0.83 |
| Histidine | 0.75 | 0.70 | 0.64 | 0.70 | 0.64 | 0.58 | 0.64 | 0.58 | 0.52 | 0.6 | 0.51 | 0.41 |
| Leucine | 2.31 | 2.16 | 2.00 | 2.17 | 2.01 | 1.85 | 2.01 | 1.84 | 1.66 | 2.07 | 1.83 | 1.57 |
| Phenylalanine | 1.28 | 1.17 | 1.07 | 1.20 | 1.08 | 0.97 | 1.15 | 1.03 | 0.91 | 1.1 | 0.92 | 0.73 |
| Tyrosine | 2.22 | 2.04 | 1.85 | 2.07 | 1.87 | 1.67 | 2 | 1.79 | 1.58 | 1.95 | 1.63 | 1.28 |
| Crude Protein | 26.16 | 24.43 | 22.7 | 24.92 | 23.08 | 21.25 | 26.52 | 24.56 | 22.59 | 22.87 | 19.59 | 16.31 |
| Phosphorus | 0.66 | 0.65 | 0.64 | 0.63 | 0.63 | 0.6 | 0.64 | 0.63 | 0.62 | 0.63 | 0.61 | 0.58 |
| Analyzed composition, % | ||||||||||||
| Lysine | 1.76 | 1.74 | 1.81 | 1.56 | 1.68 | 1.54 | 1.52 | 1.47 | 1.57 | 1.18 | 1.22 | 1.11 |
| Threonine | 1.15 | 1.07 | 1.09 | 0.97 | 0.97 | 0.87 | 0.99 | 0.89 | 0.88 | 0.82 | 0.75 | 0.64 |
| Methionine | 0.52 | 0.49 | 0.49 | 0.41 | 0.47 | 0.44 | 0.46 | 0.45 | 0.52 | 0.33 | 0.31 | 0.31 |
| Met + Cysteine | 0.96 | 0.91 | 0.88 | 0.77 | 0.83 | 0.73 | 0.82 | 0.76 | 0.84 | 0.65 | 0.61 | 0.56 |
| Tryptophan | 0.32 | 0.31 | 0.32 | 0.32 | 0.3 | 0.3 | 0.29 | 0.28 | 0.27 | 0.24 | 0.23 | 0.18 |
| Isoleucine | 1.03 | 0.96 | 0.88 | 0.97 | 0.97 | 0.77 | 1.09 | 0.97 | 0.89 | 0.9 | 0.8 | 0.59 |
| Valine | 1.42 | 1.32 | 1.27 | 1.24 | 1.22 | 1.04 | 1.25 | 1.11 | 1.08 | 1.06 | 0.93 | 0.74 |
| Arginine | 1.52 | 1.39 | 1.29 | 1.38 | 1.39 | 1.09 | 1.58 | 1.39 | 1.27 | 1.36 | 1.18 | 0.8 |
| Histidine | 0.71 | 0.67 | 0.61 | 0.65 | 0.65 | 0.53 | 0.67 | 0.6 | 0.56 | 0.59 | 0.52 | 0.39 |
| Leucine | 2.28 | 2.17 | 2.03 | 2.05 | 2.06 | 1.74 | 2.21 | 2.03 | 1.91 | 1.97 | 1.84 | 1.48 |
| Phenylalanine | 1.26 | 1.18 | 1.09 | 1.13 | 1.13 | 0.9 | 1.26 | 1.13 | 1.03 | 1.12 | 0.99 | 0.73 |
| Tyrosine | 2.05 | 1.91 | 1.81 | 1.81 | 1.82 | 1.46 | 2 | 0.69 | 1.65 | 1.8 | 1.59 | 1.18 |
| Crude Protein | 25.36 | 23.48 | 22.41 | 24.44 | 22.62 | 19.11 | 25.15 | 24.19 | 22.53 | 22.57 | 19.13 | 15.022 |
| Phosphorus | 0.68 | 0.64 | 0.68 | 0.68 | 0.65 | 0.62 | 0.69 | 0.68 | 0.63 | 0.68 | 0.69 | 0.65 |
| Carbon | 40.79 | 41.57 | 40.2 | 41.14 | 40.47 | 39.44 | 40.2 | 40.3 | 39.66 | 41.54 | 39.5 | 38.95 |
| Dry Matter | 78.53 | 79.15 | 79.41 | 79.15 | 77.25 | 80.33 | 81.75 | 79.62 | 80.89 | 82.07 | 82.21 | |