AMB Express

Table 2 Effects of treatments on the volume of the total gas, methane and hydrogen (mL)

From: Nitrate decreases methane production also by increasing methane oxidation through stimulating NC10 population in ruminal culture

	Treatments				SEM	P value
	Control	NaNO₃	NH₄Cl	NaNO₃ + NH₄Cl	SEM	P value
Total gas	56.75^A	36.25^D	53.75^B	48.00^C	2.045	<0.001
CH₄	12.99^Aa	7.37^Bb	13.00^Aa	7.59^Bb	0.722	<0.001
H₂	0.02^b	0.03^a	0.02^b	0.03^a	0.002	0.049

Values with different lowercase or capital superscripts in the same row differ significantly at P < 0.05 and P < 0.01, respectively

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