Table 3.
Apparent digestibility of N, Ca, and P and retention rate of N of sheep (g·d−1, %)
| Item | MOS1 | SEM2 | P value | |||
|---|---|---|---|---|---|---|
| 0% | 1.2% | 1.6% | 2.0% | |||
| N | ||||||
| Intake | 15.11 | 15.80 | 15.42 | 14.34 | 0.29 | 0.376 |
| N in feces | 5.07 | 5.00 | 4.60 | 4.47 | 0.13 | 0.326 |
| N in urine | 6.76 | 7.07 | 6.68 | 6.41 | 0.19 | 0.724 |
| Digested N | 10.03 | 10.80 | 10.82 | 9.87 | 0.24 | 0.395 |
| Apparent digestibility | 66.41 | 68.31 | 70.15 | 68.78 | 0.70 | 0.334 |
| Retained N | 3.27 | 3.72 | 4.14 | 3.46 | 0.14 | 0.105 |
| Retention rate | 21.62 | 23.56 | 26.84 | 24.20 | 0.76 | 0.082 |
| Ca | ||||||
| Intake | 4.71 | 4.93 | 4.81 | 4.47 | 0.09 | 0.376 |
| Ca in feces | 3.68 | 3.86 | 3.67 | 3.44 | 0.07 | 0.207 |
| Digested Ca | 1.03 | 1.07 | 1.14 | 1.03 | 0.03 | 0.724 |
| Apparent digestibility | 21.84 | 21.69 | 23.62 | 22.96 | 0.49 | 0.499 |
| P | ||||||
| Intake | 1.60 | 1.67 | 1.63 | 1.51 | 0.03 | 0.376 |
| P in feces | 1.07 | 1.11 | 1.06 | 1.00 | 0.03 | 0.583 |
| Digested P | 0.53 | 0.56 | 0.57 | 0.52 | 0.01 | 0.329 |
| Apparent digestibility | 32.94 | 33.32 | 34.70 | 34.41 | 0.72 | 0.842 |
1Sheep were fed 0%, 1.2%, 1.6%, and 2.0% mannan-oligosaccharides (MOS) (n = 3 per treatment). Mean results of digestion and retention are shown for the six-day collection phase of the study for each treatment.
2SEM = standard error of the mean.