Table 8. Lactobacillus diversity index calculated from the DGGE banding patterns (Fig. 2A).

Index	N	P	L	M	H
Species richness (S)	13	11	12	13	15
Shannon index (H′)	2.03	2.00	2.09	2.08	2.15
Evenness (J)	0.79	0.84	0.84	0.81	0.80
Simpson index (1/D)*	6.06	6.20	6.77	6.50	6.71

N (negative control, basal diet); P (positive control, diet supplemented with neomycin); L, M, H (diets supplemented with probiotics 0.5×10⁹, 1.0×10⁹ and 2.5×10⁹ CFU/kg feed, respectively);

*1/D, the reciprocal of Simpson diversity index.