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Table 4 Changes in bacterial richness and biodiversity by nitrate

From: Nitrate decreases ruminal methane production with slight changes to ruminal methanogen composition of nitrate-adapted steers

Item Treatments SEM P-value Contrast
0NR 1NR 2NR P L P Q
ACE 6375.5 6280.1 6316.5 138.19 0.89 0.78 0.71
Chao1 5643.7 5513.9 5684.1 145.64 0.66 0.84 0.38
Shannon 0.86 0.85 0.87 0.01 0.18 0.36 0.10
Simpson 3.86 3.75 3.95 0.05 0.05 0.23 0.03
  1. 0NR control, 1NR 1% nitrate, 2NR 2% nitrate; PL is liner tendency; PQ is quadratic tendency