Table 1 Number of reads, reads assigned to OTUs, good’s coverage and alpha diversity indices of intestinal microbiota composition in sturgeons from three experimental groups

357.2 ± 32.27^b

314.4 ± 30.14^b

191.0 ± 9.64^a

390.05 ± 28.66^b

328.61 ± 39.76^b

214.21 ± 19.3^a

0.994 ± 0.0005^a

0.995 ± 0.0010^a

0.998 ± 0.0007^b

335.32 ± 26.36^b

271.92 ± 27.92^b

186.47 ± 7.84^a

108.49 ± 18.45^b

58.67 ± 23.33^ab

18.67 ± 1.01^a

5.62 ± 0.08^b

4.37 ± 0.27^a

5.41 ± 0.02^b