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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