Dietary oregano essential oil supplementation improves intestinal functions and alters gut microbiota in late-phase laying hens

Table 7 Differences of bacterial distribution in ileal digesta between the control and essential oil supplementation groups^a

Items, %	C^b	E	P-value
Phyla
Actinobacteria	1.48 ± 2.86	10.68 ± 8.88	0.052
Cyanobacteria	0.63 ± 0.81	9.13 ± 7.66	0.042
Classes
Betaproteobacteria	0.74 ± 0.79	12.77 ± 8.71	0.019
Actinobacteria	1.48 ± 2.85	10.59 ± 8.83	0.053
Chloroplast	0.63 ± 0.81	9.12 ± 7.66	0.042
Alphaproteobacteria	0.32 ± 0.39	2.53 ± 1.12	0.004
Orders
Burkholderiales	0.73 ± 0.79	12.76 ± 8.70	0.019
Bifidobacteriales	1.43 ± 2.80	10.04 ± 8.68	0.060
Streptophyta	0.63 ± 0.81	9.12 ± 7.66	0.042
Families
Comamonadaceae	0.60 ± 0.66	10.97 ± 7.42	0.019
Bifidobacteriaceae	1.43 ± 2.80	10.04 ± 8.68	0.060
Oxalobacteraceae	0.12 ± 0.12	1.77 ± 1.33	0.013
Genera
Aeriscardovia	1.41 ± 2.80	9.86 ± 8.69	0.064
Aquabacterium	0.40 ± 0.54	8.89 ± 6.00	0.018
Ralstonia	0.10 ± 0.10	1.69 ± 1.34	0.033
Pelomonas	0.07 ± 0.05	1.69 ± 1.46	0.023
SMB53	1.56 ± 1.61	0.18 ± 0.28	0.090
Silene	0.23 ± 0.30	1.39 ± 1.06	0.027

^a Data are represented with the means ± standard deviation (n = 6)
^b C, control; E, essential oil-supplemented group (essential oil addition at 200 mg/kg)

ISSN: 2049-1891