TABLE 1.
Groups (n = 8) |
|||||||
Items | Con | Inu_1 | Inu_2 | Inu_3 | Inu_4 | SEM | p-value |
pH | 7.03 | 6.80 | 6.91 | 6.73 | 6.75 | 0.025 | 0.086 |
LA, mmol/L | 0.99 | 1.02 | 1.13 | 1.02 | 1.15 | 0.015 | 0.141 |
Acetate, mmol/L | 58.7 | 58.0 | 60.7 | 62.4 | 60.6 | 0.350 | 0.134 |
Propionate, mmol/L | 10.3c | 10.6c | 13.1b | 14.8a | 14.4a | 0.420 | 0.041 |
A/P | 5.70 | 5.47 | 4.63 | 4.22 | 4.21 | 0.140 | 0.061 |
Butyrate, mmol/L | 6.02b | 6.08b | 6.87ab | 7.92a | 7.64a | 0.174 | 0.047 |
Isobutyrate, mmol/L | 0.7 | 0.75 | 0.74 | 0.82 | 0.76 | 0.009 | 0.855 |
Valerate, mmol/L | 0.88 | 1.02 | 0.77 | 0.95 | 1.09 | 0.025 | 0.264 |
Isovalerate, mmol/L | 0.51 | 0.59 | 0.58 | 0.57 | 0.6 | 0.007 | 0.736 |
TVFA, mmol/L | 75.3 | 76.3 | 83.5 | 85.2 | 85.4 | 0.989 | 0.058 |
LA, lactic acid; A/P, the ratio of acetate to propionate; TVFA, total volatile fatty acids; Con, control group; Inu_1, inulin_1 group, the inulin addition level was 100 g/day per cow; Inu_2, inulin_2 group, the inulin addition level was 200 g/day per cow; Inu_3, inulin_3 group, the inulin addition level was 300 g/day per cow; Inu_4, inulin_4 group, the inulin addition level was 400 g/day per cow. a,b,cWithin a row, different letters differed significantly (p < 0.05).