An Antimethanogenic Nutritional Intervention in Early Life of Ruminants Modifies Ruminal Colonization by Archaea

Table 1

Effect of bromochloromethane (BCM) treatment of does on relative abundance (% of total sequences) in the rumen contents at weaning (W).

Taxonomy (%)	D−	D+	SED	P value
No blast hit		0.3
p_Crenarchaeota	0.1
p_Euryarchaeota
c_Methanobacteria
o_Methanobacteriales
f_Methanobacteriaceae; g_Methanobrevibacter	87.7	92.1	1.86	0.24
g_Methanosphaera	11.6	7.6	1.72	0.24
f_Methanosarcinaceae; g_Methanimicrococcus	0.3
c_Thermoplasmata
o_E2
f_WCHD3-02	0.3

p: phylum, c: class, o: order, f: family, g: genus; SED: standard error of difference.
Does treated (D+) or untreated (D−) with bromochloromethane over lactation period.