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Table 3 The characteristics of co-occurrence networks of the four treatments at the end of Phase III (growth trial, 105 dof)

From: Impact of early-life rearing history on gut microbiome succession and performance of Nile tilapia

System (S) FTS BFS P (permutation)
Diet (D) M-NSP H-NSP M-NSP H-NSP S D
Number of nodes 112 122 112 127 ns **
Number of edges 475 497 596 574 ** ns
Positive/negative ratio 2.8 2.6 4.6 3.9 ** ns
Average degree 8.48 8.15 10.74 9.04 ns **
Clustering coefficient 0.68 0.56 0.62 0.61 ns ***
Density 0.076 0.067 0.096 0.072 ns ***
Path length 3.44 3.34 3.01 3.36 ns ns
Modularity 1.51 1.57 0.89 0.86 *** ns
  1. P values were calculated using Mann–Whitney test, after permutation of 70% of the initial data
  2. FTS flow-through system, BFS biofloc system, M-NSP moderate NSP diet, H-NSP high NSP diet, S larval rearing system in Phase I, D diet type in Phase III, ns not significant
  3. **P < 0.01; ***P < 0.001