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Re:配方設(shè)計的根本是采食量的設(shè)計
日糧的營養(yǎng)成分和使用效果分列在兩個表中,如下。上面的數(shù)據(jù)因為少,所以我是翻譯后重新整理到表格中的,這個數(shù)據(jù)多,我就直接粘貼了。
Composition of diets (%, as-fed basis) 28.7-47.5kg(28天) | Calculated composition, %d | Crude protein | 16.00 | 12.00 | 12.00 | Analyzed | 16.77 | 13.02 | 12.90 | Lys | 0.84 | 0.84 | 0.55 | Analyzed | 0.97 | 0.84 | 0.56 | Trp | 0.17 | 0.17 | 0.11 | Analyzed | 0.15 | 0.15 | 0.09 | Thr | 0.65 | 0.65 | 0.49 | Analyzed | 0.70 | 0.63 | 0.46 | TSAA | 0.58 | 0.47 | 0.47 | Calcium | 0.65 | 0.65 | 0.65 | Phosphorus, total | 0.55 | 0.55 | 0.55 | ME, Mcal/kg | 3.28 | 3.30 | 3.30 | | | dCalculated values for Lys, Thr, Trp, and sulfur AA (TSAA) were based on analysis of ingredients for CP and CP:AA ratios for estimates of amino acid concentration. | Effect of ambient temperature and dietary CP level on performance and serum urea N of pigs | Treatment
| | | | | Temperature | Diet | ADG, g | ADFI, g | Gain:feed, g:kg | Serum urea N, mg/dL |
| 23°C | 16% CP | 760 | 1,996 | 383c | 23.1 | | 12% CP + AA | 773 | 2,000 | 390bc | 14.2 | | 12% CP | 678 | 1,996 | 341d | 19.0 | 33°C | 16% CP | 654 | 1,638 | 404b | 19.0 | | 12% CP + AA | 621 | 1,678 | 373c | 12.0 | | 12% CP | 556 | 1,714 | 327d | 16.2 | | Standard Error | 13.9 | 38.2 | 6.3 | 0.62 | | | | | |
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