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Table 1 Result of the PERMANOVA analysis of the weighted and unweighted UniFraca

From: Microbiota in intestinal digesta of Atlantic salmon (Salmo salar), observed from late freshwater stage until one year in seawater, and effects of functional ingredients: a case study from a commercial sized research site in the Arctic region

PERMANOVA

Weighted UniFrac

Unweighted UniFrac

Pseudo-F

P

Pseudo-F

P

Sampling time points

7.518

0.001

3.008

0.001

Pairwise comparison

 FW-Ref vs SW1-Ref

 

0.005

 

0.025

 FW-Ref vs SW2-Ref

 

0.001

 

0.001

 FW-Ref vs SW3-Ref

 

0.001

 

0.001

 SW1-Ref vs SW2-Ref

 

0.001

 

0.001

 SW1-Ref vs SW3-Ref

 

0.001

 

0.002

 SW2-Ref vs SW3-Ref

 

0.001

 

0.001

Dietary effect at each sampling time point

 FW-Ref vs FW-Test

0.949

0.409

1.056

0.347

 SW1-Ref vs SW1-Test

2.331

0.05

1.271

0.01

 SW2-Ref vs SW2-Test

2.099

0.129

2.937

0.001

 SW3-Ref vs SW3-Test

0.698

0.406

1.176

0.146

  1. aFW, sampling time point in freshwater (May 2016); SW1, the first seawater sampling time point (June 2016); SW2 the second seawater sampling time point (November 2016); SW3, the final seawater sampling time point (April 2017); Ref: diet without functional ingredients; Test, diet with functional ingredients