highly significantP < 0.05
The results were expressed as “mean ± standard error”, with P < 0.01 as highly significant and P < 0.05 as significant.
The results were expressed as “mean ± standard error”, with P < 0.01 as highly significant and P < 0.05 as significant.
Meanwhile, ADG showed an increasing trend, but did not reach a significant level ( P > 0.05).
With the increase in ME levels, the Sobs index showed a decreasing trend at the OTU level ( Fig. 2 A), and the Shannon index significantly decreased (Fig. 2 B; P < 0.05).