Table 2. Phenotypic variables in Hu lambs of the two groups.
| Items | C group | S group | SEM | P-value |
|---|---|---|---|---|
| Rumen papillae | ||||
| Length, µm | 350.20 | 539.86 | 48.19 | 0.003 |
| Width, µm | 246.58 | 221.94 | 26.18 | 0.372 |
| Tunica Muscularis thickness, µm | 887.37 | 1,081.99 | 217.00 | 0.406 |
| NH3-N content, mg/100 mL | 24.35 | 27.71 | 6.56 | 0.620 |
| Acetate, mmol/L | 18.43 | 61.28 | 6.69 | <0.001 |
| Propionate, mmol/L | 6.08 | 20.77 | 1.19 | <0.001 |
| Butyrate, mmol/L | 1.01 | 13.03 | 1.63 | <0.001 |
| A/P, | 3.29 | 2.94 | 0.71 | 0.632 |
| TVFA, mmol/L | 29.40 | 99.20 | 7.21 | <0.001 |
| pH | 5.54 | 5.54 | 0.21 | 1.000 |