Table 5.
The proportions of amino acid intake and nitrogen retention in PD–Lys, PD–Met, and PD–Thr to those in the PC treatment.
| Items 1 | Based on Metabolic Body Weight, g·(kg−1 BW0.75)·d−1 | The Ratio to PC | ||||||
|---|---|---|---|---|---|---|---|---|
| NR 2 | AAI 2 | NR | AAI | |||||
| Lys | Met | Thr | Lys | Met | Thr | |||
| PD–Lys | 0.96 | 0.60 | 0.29 | 0.65 | 0.80 | 0.67 | 1.00 | 1.00 |
| PD–Met | 0.99 | 0.90 | 0.20 | 0.65 | 0.83 | 1.00 | 0.69 | 1.00 |
| PD–Thr | 1.02 | 0.90 | 0.29 | 0.40 | 0.85 | 1.00 | 1.00 | 0.62 |
| PC | 1.20 | 0.90 | 0.29 | 0.65 | 1.00 | 1.00 | 1.00 | 1.00 |
1 PD–Lys = 30% Lys deleted treatment; PD–Met = 30% Met deleted treatment; PD–Thr = 30% Thr deleted treatment; PC = theoretical amino acid balanced treatment; 2 NR=N retention; AAI=amino acid intake.