Gut segments outweigh the diet in shaping the intestinal microbiota composition in grass carp Ctenopharyngodon idellus

AMB Express

Table 1 Summary of alpha diversity estimators for microbial communities of four groups

Group	Richness estimates		Diversity estimates		Good’s coverage Mean ± SD
Group	Chao 1 Mean ± SD	ACE Mean ± SD	Shannon Mean ± SD	Simpson Mean ± SD	Good’s coverage Mean ± SD
M-FF	1351.30 ± 345.69	1413.41 ± 338.80	6.66 ± 2.03	0.91 ± 0.16	0.96 ± 0.01
M-SG	938.10 ± 413.70	975.91 ± 452.78	5.58 ± 1.38	0.91 ± 0.09	0.94 ± 0.05
H-FF	796.19 ± 345.69	850.99 ± 338.80	4.03 ± 2.03	0.81 ± 0.16	0.98 ± 0.01
H-SG	527.37 ± 413.70	533.72 ± 452.78	3.45 ± 1.38	0.76 ± 0.09	0.99 ± 0.05

M-FF, midgut samples of the group fed on formula fed; M-SG, midgut samples of the group fed on Sudan grass; H-FF, hindgut samples of the group fed on formula fed; H-SG, hindgut samples of the group fed on Sudan grass