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Table 2 Alpha diversity. Number of reads per group-treatment assigned to OTUs and alpha diversity metrics values of feed, gut mucosa (GMMC), and skin mucus microbial communities (SMMC) of rainbow trout fed TM 0 and TM 100 diets

From: Effects of full replacement of dietary fishmeal with insect meal from Tenebrio molitor on rainbow trout gut and skin microbiota

Items

TM 0

TM 100

P-value

Feed (rarefied at 21,146 reads)

 Reads

54,465 ± 18,561

44,708 ± 19,771

0.498

 Observed OTUs

107 ± 20

84 ± 25

0.248

 Shannon

3.73 ± 0.05

3.29 ± 0.07

0.021

 Pielou’s evenness

0.55 ± 0.02

0.52 ± 0.03

0.083

 Faith PD

7.79 ± 0.68

6.70 ± 1.05

0.149

GMMC (rarefied at 21,146 reads)

 Reads

63,530 ± 31,477

61,665 ± 16,983

0.901

 Observed OTUs

13 ± 3

10 ± 4

0.231

 Shannon

1.32 ± 0.76

0.28 ± 0.24

0.054

 Pielou’s evenness

0.36 ± 0.21

0.09 ± 0.07

0.055

 Faith PD

1.34 ± 0.23

1.26 ± 0.42

0.872

SMMC (rarefied at 16,752 reads)

 Reads

49,824 ± 21,594

39,064 ± 16,875

0.359

 Observed OTUs

187 ± 40

154 ± 71

0.336

 Shannon

4.43 ± 1.05

4.29 ± 1.05

0.749

 Pielou’s evenness

0.59 ± 0.13

0.61 ± 0.06

0.521

 Faith PD

17.30 ± 4.52

13.86 ± 7.18

0.423

  1. All data are expressed as means ± SD (n = 4 for feed and n=6 for GMMC and SMMC). P<0.05 are in bold