Table 3.

Effect of LPS on IPEC cell proliferation.

Concentration μg/ml	Absorbance (OD value)
	12 h	24 h	48 h
0	0.613 ± 0.109	0.764 ± 0.073	0.765 ± 0.109
0.1	0.583 ± 0.008	0.699 ± 0.055*	0.634 ± 0.053*
1	0.482 ± 0.084	0.602 ± 0.068**	0.526 ± 0.111**
10	0.336 ± 0.117*	0.363 ± 0.052**	0.352 ± 0.056**

Compared with the control group, * means significant difference (P < 0.05), ** means extremely significant difference (P < 0.01).