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Table 1 Average observed species, average Chao1, average Shannon, and average Simpson diversity indices (± standard error) for the different metformin treatments in the microbiomes of the 156 days old brown trout larvae

From: The impact of the anti-diabetic drug metformin on the intestinal microbiome of larval brown trout (Salmo trutta f. fario)

Metformin concentration

Observed species

Chao1

Shannon

Simpson

Control

101.18 ± 12.08

103.14 ± 12.30

5.57 ± 0.18

0.96 ± 0.005

1 µg/L

120.15 ± 14.47

122.12 ± 14.96

5.58 ± 0.20

0.95 ± 0.009

10 µg/L

95.67 ± 11.83

97.46 ± 12.24

5.43 ± 0.24

0.96 ± 0.007

100 µg/L

97.19 ± 12.50

99.11 ± 13.10

5.56 ± 0.16

0.96 ± 0.006

1000 µg/L

112.43 ± 23.21

114.25 ± 23.65

5.63 ± 0.32

0.96 ± 0.011