Anim Biosci > Volume 30(7); 2017 > Article |
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Items (%, unless noted) | Dietary treatments1) | ||||
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NC | PC | SD10 | SD20 | SD30 | |
Ingredients | |||||
Corn | 59.60 | 59.60 | 59.60 | 59.60 | 59.60 |
Soybean meal (46% CP) | 25.00 | 25.00 | 25.00 | 25.00 | 25.00 |
Tallow | 2.00 | 2.00 | 2.00 | 2.00 | 2.00 |
Phytase2) | 0.00 | 0.00 | 0.10 | 0.20 | 0.30 |
Monodicalcium phosphate | 0.47 | 1.02 | 0.47 | 0.47 | 0.47 |
Limestone | 10.05 | 9.82 | 10.05 | 10.05 | 10.05 |
Celite | 1.00 | 0.68 | 0.90 | 0.90 | 0.90 |
Cornstarch | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 |
Salt | 0.10 | 0.10 | 0.10 | 0.10 | 0.10 |
DL-methionine | 0.27 | 0.27 | 0.27 | 0.27 | 0.27 |
L-lysine HCl | 0.08 | 0.08 | 0.08 | 0.08 | 0.08 |
L-threonine | 0.08 | 0.08 | 0.08 | 0.08 | 0.08 |
Choline | 0.05 | 0.05 | 0.05 | 0.05 | 0.05 |
Sodium bicarbonate | 0.10 | 0.10 | 0.10 | 0.10 | 0.10 |
Vitamin premix3) | 0.10 | 0.10 | 0.10 | 0.10 | 0.10 |
Mineral premix4) | 0.10 | 0.10 | 0.10 | 0.10 | 0.10 |
Total | 100.00 | 100.00 | 100.00 | 100.00 | 100.00 |
Nutrient content5) | |||||
AMEn (kcal/kg) | 2,772 | 2,772 | 2,772 | 2,772 | 2,772 |
Crude protein | 16.13 | 16.13 | 16.13 | 16.13 | 16.13 |
Lysine | 0.80 | 0.80 | 0.80 | 0.80 | 0.80 |
Methionine+cysteine | 0.71 | 0.71 | 0.71 | 0.71 | 0.71 |
Ca | 3.91 | 3.91 | 3.91 | 3.91 | 3.91 |
Non-phytate P | 0.26 | 0.38 | 0.26 | 0.26 | 0.26 |
1) NC, negative control (0.26% non-phytate P); PC, positive control (0.38% non-phytate P); SD10, NC+10,000 FTU/kg; SD20, NC+20,000 FTU/kg; SD30, NC+30,000 FTU/kg.
3) Provided per kg of the complete diet: vitamin A, 13,000 IU (retinyl acetate); vitamin D3, 5,000 IU; vitamin E, 80 IU (DL-alpha-tocopheryl acetate); vitamin K3, 4.0 mg (menadione dimethpyrimidinol); vitamin B1, 4.0 mg; vitamin B2, 10.00 mg; vitamin B6, 6.0 mg; vitamin B12, 20 μg; folic acid, 2.0 mg; biotin, 200 μg; niacin, 60 mg; calcium-pantothenate, 20 mg.
4) Provided per kg of the complete diet: iron, 50 mg (FeSO4); zinc, 60 mg (ZnSO4); manganese, 50.0 mg (MnO); copper, 6.00 mg (CuSO4); cobalt, 250 μg (CoSO4); selenium, 150 μg (Na2SeO3); iodine, 1 mg [Ca(IO3)2].
5) Calculated values [6].
Items | Dietary treatments2) | SEM | p-value | ||||
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NC | PC | SD10 | SD20 | SD30 | |||
Hen-day egg production (%) | 94.4bc | 93.6c | 94.9bc | 97.3a | 96.6ab | 0.85 | 0.02 |
Egg weight (g) | 68 | 68 | 67 | 68 | 66 | 0.7 | 0.22 |
Egg mass (g/d) | 65 | 64 | 63 | 67 | 65 | 1.1 | 0.27 |
Broken and shell-less egg production (%) | 0.03 | 0.02 | 0.02 | 0.03 | 0.06 | 0.013 | 0.33 |
Feed intake (g/d) | 132 | 128 | 132 | 132 | 132 | 2.7 | 0.78 |
Feed conversion ratio (g of feed/g of egg) | 2.03 | 2.02 | 2.09 | 1.99 | 2.05 | 0.039 | 0.44 |
Items | Dietary treatments2) | SEM | p-value | ||||
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NC | PC | SD10 | SD20 | SD30 | |||
Eggshell strength (kg/cm2) | 3.4 | 3.2 | 3.2 | 3.1 | 3.2 | 0.16 | 0.65 |
Eggshell thickness (μm) | 436 | 428 | 445 | 433 | 433 | 5.40 | 0.15 |
Eggshell color (Color fan) | 11.8 | 10.7 | 11.2 | 11.4 | 11.0 | 0.39 | 0.33 |
Eggshell color (Hunter color) | |||||||
L* | 53.0 | 53.0 | 53.7 | 53.1 | 54.2 | 0.59 | 0.50 |
a* | 19.7 | 20.0 | 19.7 | 19.3 | 19.0 | 0.40 | 0.24 |
b* | 25.4 | 25.3 | 25.6 | 25.0 | 24.9 | 0.30 | 0.40 |
Egg yolk color (Roche color fan) | 7.8 | 7.4 | 7.6 | 8.0 | 7.2 | 0.30 | 0.26 |
Haugh unit | 96.7 | 97.0 | 98.1 | 97.5 | 98.7 | 1.06 | 0.45 |