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Table 2 Average alpha diversity measures (mean ± SEM) for bacterial communities at the family level

From: Environmental enrichment with nylon gnaw sticks introduces variation in Sprague Dawley rat immune and lower gastrointestinal parameters with differences between sexes

Sample

Sex

GS

Chao1

Shannon

Simpson

Fisher

All

All

All

34.6 ± 0.2

2.02 ± 0.03

0.800 ± 0.006

3.25 ± 0.02

Cecal

  

35.1 ± 0.3

2.07 ± 0.03

0.818 ± 0.006

3.29 ± 0.03

Distal colon

  

34.2 ± 0.4

1.96 ± 0.04a

0.781 ± 0.010a

3.21 ± 0.04

 

Female

 

34.7 ± 0.4

2.01 ± 0.04

0.798 ± 0.010

3.25 ± 0.03

 

Male

 

34.6 ± 0.3

2.02 ± 0.03

0.801 ± 0.008

3.26 ± 0.04

  

Without

34.7 ± 0.4

2.07 ± 0.04

0.809 ± 0.009

3.25 ± 0.04

  

With

34.6 ± 0.3

1.96 ± 0.03

0.790 ± 0.009

3.25 ± 0.03

Cecal

 

Without

35.2 ± 0.5

2.11 ± 0.05

0.825 ± 0.009

3.28 ± 0.04

Cecal

 

With

35.0 ± 0.4

2.02 ± 0.04

0.811 ± 0.008

3.29 ± 0.04

Distal colon

 

Without

34.1 ± 0.6

2.02 ± 0.06

0.791 ± 0.015b

3.21 ± 0.07b

Distal colon

 

With

34.2 ± 0.4

1.91 ± 0.05

0.771 ± 0.013c

3.21 ± 0.04c

 

Female

Without

34.8 ± 0.6

2.12 ± 0.06

0.817 ± 0.013

3.25 ± 0.05

 

Female

With

34.6 ± 0.4

1.90 ± 0.05d

0.779 ± 0.012

3.25 ± 0.04

 

Male

Without

34.5 ± 0.6

2.01 ± 0.05

0.800 ± 0.012

3.26 ± 0.06

 

Male

With

34.6 ± 0.4

2.03 ± 0.04

0.802 ± 0.011

3.26 ± 0.04

  1. aSignificantly different from cecal value (p < 0.05)
  2. bSignificantly different from cecal value without GS (p < 0.05)
  3. cSignificantly different from cecal value with GS (p < 0.05)
  4. dSignificantly different from female value without GS (p < 0.05)