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. Author manuscript; available in PMC: 2024 Jan 1.
Published in final edited form as: Ecotoxicol Environ Saf. 2022 Dec 20;249:114430. doi: 10.1016/j.ecoenv.2022.114430

Table 3.

PERMANOVA of feces communities at OTU level for the two dietary treatments: C=control; I=initial feces (Day 2); T = terminal feces (Day 9). For each comparison the degrees of freedom (df), t value (t), p values [P(perm)], the possible number of unique permutations, and significance level of Monte Carlo tests [P(MC)] are provided. Statistical significance of P(perm) indicated as follows: * ** p < 0.001, * * p < 0.01, and * p < 0.05.

Treatment type Treatment comparison df t P (perm) Unique permutations P (MC)

PbOAc I x I-C 12 1.08 0.138 364 0.309
I x T 21 3.87 < 0.001 * ** 9880 < 0.001
I x T-C 12 2.77 0.003 * * 364 < 0.001
T x I-C 13 2.73 0.002 * * 454 < 0.001
T x T-C 13 1.047 0.274 455 0.359
SRM 2710a I x I-C 10 1.01 0.416 220 0.429
I x T 16 3.79 < 0.001 * ** 8160 < 0.001
I x T-C 10 2.96 0.005 * * 220 < 0.001
T x I-C 10 2.86 0.005 * * 220 < 0.001
T x T-C 10 1.04 0.268 220 0.380
T-PbOAc x T-SRM 2710a 19 1.36 0.009 * * 9701 0.044
I-C x T-C 12 2.61 0.098 10 0.010