Metagenomic insights into effects of thiamine supplementation on ruminal non-methanogen archaea in high-concentrate diets feeding dairy cows

Table 2 Relative abundances of archaea in rumen fluid from different treatments (%)

Item	Experimental treatments			SEM	P-value
Item	CON	HC	HCT	SEM	P-value
Crenarchaeota	0.0024^b	0.0037^b	0.0217^a	0.00274	< 0.001
Euryarchaeota	0.3849	0.3565	0.3659	0.01353	0.551
Nanoarchaeota	0.0002^b	0.0003^b	0.0017^a	0.00023	0.038
Thaumarchaeota	0.0035^b	0.0109^a	0.061^b	0.00779	< 0.001
Candidatus	0.0036^b	0.0041^b	0.0125^a	0.00108	0.027
Others	0.0023^b	0.0021^b	0.0049^a	0.00045	0.017
total	0.3969	0.3776	0.4677	0.0169	0.063

CON control diet, HC high-concentrate diet, HCT high-concentrate diet supplemented with 180 mg thiamine/kg DMI, SEM standard error of the mean
^{a, b}means within a row with different letters differed significantly (P < 0.05)

ISSN: 1746-6148