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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
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