Table 7.
Effects of supplemental HMBi on the diversity index of bacterial communities in rumen and cecum.
| Item | Treatmena | SEMb | P -valuec | |||
|---|---|---|---|---|---|---|
| H0 | H15 | H30 | Linear | Quadratic | ||
| Rumen | ||||||
| chao1 | 2,336.83 | 2,308.84 | 2,339.48 | 25.7 | 0.76 | 0.15 |
| observed_species | 1,815.29 | 1,800.24 | 1,824.85 | 21.1 | 0.76 | 0.13 |
| PD_whole_tree | 140.08 | 139.27 | 139.82 | 1.32 | 0.87 | 0.15 |
| shannon | 8.30 | 8.36 | 8.37 | 0.06 | 0.77 | 0.12 |
| simpson | 0.99 | 0.99 | 0.99 | 0.001 | 0.62 | 0.54 |
| Cecum | ||||||
| chao1 | 1,518.94 | 1,413.35 | 1,548.07 | 57.42 | 0.74 | 0.14 |
| observed_species | 1,204.8 | 1,109.31 | 1,268.79 | 52.28 | 0.41 | 0.08 |
| PD_whole_tree | 94.16 | 88.24 | 96.66 | 3.34 | 0.61 | 0.11 |
| shannon | 7.71 | 7.55 | 7.96 | 0.15 | 0.29 | 0.18 |
| simpson | 0.98 | 0.98 | 0.99 | 0.002 | 0.22 | 0.64 |
a
Treatments were: H0, basal diet without MetaSmart® H15, basal diet supplemented with 15 g/d HMBi; H30, basal diet supplemented with 30 g/d MetaSmart®.
b
SEM, standard error of the mean.
c
Significant at P ≤ 0.05.