. 2020 Aug 12;99(11):6022–6030. doi: 10.1016/j.psj.2020.07.036

Table 3.

Effects of phytosterol supplementation on alpha diversity indexes of cecal microbiota in yellow-feather broilers.

Item	Treatment			SEM	Day			SEM	P-value
Item	Con	Anti	Phyto	SEM	21 D	42 D	63 D	SEM	Trt	Day	Trt∗Day
Shannon	4.32	4.25	3.90	0.163	4.03	3.97	4.47	0.203	0.18	0.061	0.74
Simpson	0.85	0.82	0.87	0.023	0.78^a	0.83^b,c	0.87^c	0.028	0.46	0.025	0.34
Chao1	449.4^a	451.4^a	360.3^b	25.79	365.4^a	383.6^a	512.2^b	31.49	0.019	<0.0001	0.55
Ace	458.6^a	456.9^a	363.9^b	25.56	369.9^a	391.4^a	518.1^b	31.84	0.013	<0.0001	0.55

^a,b,cValues (sharing the same SEM) within the same row with no common superscript letters differ (P < 0.05).

Abbreviations: Con, control group with basal diet; Anti, basal diet supplemented with 200 mg/kg oxytetracycline calcium and 250 mg/kg nosiheptide (Anti); Phyto, basal diet supplemented with 25 mg/kg phytosterols; Trt, treatment.