TABLE 3.

Abundances of the 15 most relatively abundant bacterial genera in purple prairie clover ensiled without or with polyethylene glycol in terminal silage and after 7 and 14 days of aerobic exposure

Phylum	Order	Genus	Terminal silage				Aerobic exposure silage
			Day 0 abundance (%)		SEM (%)	P	Day 7 abundance (%)		SEM (%)	P	Day 14 abundance (%)		SEM (%)	P
			Control	PPC-p			Control	PPC-p			Control	PPC-p
Firmicutes	Lactobacillales	Lactobacillus	22.59	29.93	0.973	<0.001	40.21	32.69	1.332	0.007	7.16	5.50	2.217	0.602
	Lactobacillales	Lactococcus	15.67	0.57	0.617	<0.001	14.06	0.62	1.001	<0.001	0.45	0.01	0.109	0.046
	Lactobacillales	Leuconostoc	4.18	0.48	0.116	<0.001	4.56	0.68	0.212	<0.001	0.26	0.03	0.048	0.028
	Lactobacillales	Pediococcus	1.89	16.99	0.792	<0.001	4.45	18.18	1.723	0.003	0.45	0.92	0.111	0.024
	Lactobacillales	Weissella	0.35	0.28	0.059	0.425	0.22	0.31	0.038	0.154	0.02	0.02	0.019	0.487
	Bacillales	Bacillus	0.04	0.02	0.009	0.096	0.03	0.04	0.012	0.810	41.17	38.16	2.546	0.450
	Bacillales	Lysinibacillus	0.003	0.002	0	0.328	0.003	0.002	0	0.316	2.44	4.63	0.490	0.141
	Bacillales	Oceanobacillus	0.001	0.001	0	0.946	0.002	0.003	0	0.632	0.67	2.21	0.181	0.002
	Bacillales	Paenibacillus	0.008	0	0.003	0.118	0.003	0.001	0	0.251	3.41	4.54	0.563	0.122
	Bacillales	Sporosarcina	0.002	0	0.001	0.214	0.002	0.002	0	0.287	1.91	2.80	0.213	0.001
Proteobacteria	Enterobacteriales	Erwinia	2.49	1.01	0.303	0.009	2.07	1.05	0.254	0.030	0.02	0.01	0.002	0.112
	Sphingomonadales	Sphingomonas	1.64	0.13	0.086	<0.001	0.35	0.10	0.059	0.022	0.01	0.02	0.012	0.746
	Rhizobiales	Methylobacterium	1.32	0.12	0.059	<0.001	0.26	0.11	0.034	0.021	0.02	0.02	0.015	0.782
	Pseudomonadales	Pseudomonas	0.41	0.02	0.059	0.001	0.06	0.01	0.010	0.012	0.004	0.001	0.003	0.495
	Rhizobiales	Agrobacterium	0.30	0.03	0.035	<0.001	0.06	0.04	0.010	0.143	0.002	0.006	0.003	0.505