From: Altitude influences microbial diversity and herbage fermentation in the rumen of yaks
Item | Altitude d | SEM e | P value | ||
---|---|---|---|---|---|
L | M | H | |||
pH | 6.76 | 6.73 | 6.69 | 0.0234 | 0.4585 |
NH3-N (mg/L) | 79.43 | 75.14 | 73.04 | 1.5017 | 0.2125 |
TVFA (mmol/L) | 21.31c | 37.10b | 40.64a | 1.5587 | 0.0026 |
Acetate (%) | 72.53b | 73.32b | 77.88a | 0.5994 | 0.0060 |
Propionate (%) | 11.53b | 12.14b | 13.78a | 0.3456 | 0.0179 |
Butyrate (%) | 11.62a | 11.87a | 4.84b | 0.6264 | 0.0013 |
Isobutyrate (%) | 1.45 | 1.47 | 1.51 | 0.0525 | 0.9170 |
Valerate (%) | 1.26 | 1.14 | 1.13 | 0.0482 | 0.5054 |
Isovalerate (%) | 0.81 | 0.83 | 0.85 | 0.0343 | 0.9101 |