Table 1.
Indices | U0 | U5 | SEM | P-value | ||||
---|---|---|---|---|---|---|---|---|
A0 | A0.45 | A0 | A0.45 | Urea | AHA | Urea*AHA | ||
Observed_species | 1442 | 1496 | 1557 | 1563 | 25 | 0.11 | 0.54 | 0.62 |
Good's coverage | 0.914a | 0.911ab | 0.905b | 0.906b | 0.002 | 0.02 | 0.62 | 0.46 |
PD_whole_tree | 106b | 109ab | 111a | 109ab | 0.89 | 0.09 | 0.70 | 0.11 |
Chao 1 | 2860c | 2942bc | 3142a | 3043ab | 43 | 0.01 | 0.85 | 0.11 |
Shannon | 7.59 | 7.73 | 7.77 | 7.59 | 0.08 | 0.92 | 0.92 | 0.46 |
Simpson | 0.96 | 0.96 | 0.97 | 0.95 | 0.01 | 0.89 | 0.50 | 0.36 |
Mean values within a row with different letters differ significantly (P < 0.05). SEM, standard error of the mean. U0, basic diet without urea; U5, basic diet plus urea of 5 g/kg DM; A0, basic diet without AHA; A0.45, basic diet plus AHA of 0.45 g/kg DM.