Table 5.

Effect of oral gavage of Bacillus subtilis on alpha diversity of jejunal bacteria in IUGR suckling piglets

Items1	Groups2			SEM	P value
	NBW	IUGR	IBS
Sobs index	169.67a	163.67a	87.33b	15.13	0.03
Chao index	253.22	252.79	170.51	22.08	0.24
Ace index	309.43	301.67	292.98	23.52	0.96
Shannon index	0.97	1.31	0.91	0.11	0.37
Simpson index	0.65	0.50	0.64	0.04	0.27

Data are expressed as means and SEM, n = 6. Mean values with different letters indicate a significant difference (P < 0.05).

¹ Sobs, observed species.

²NBW, normal birth weight; IUGR, intrauterine growth restriction; IBS, IUGR with oral administration of Bacillus subtilis.