TABLE 2

Factors associated with the community structure of the swine gut microbiota as measured using PERMANOVA with the adonis function (9,999 permutations) of the weighted and unweighted UniFrac distances and Bray-Curtis dissimilaritiesa

ParameterValue
Weighted UniFracUnweighted UniFracBray-Curtis
Pseudo-F ratioR2P valuePseudo-F ratioR2P valuePseudo-F ratioR2P value
Study28.20.370.000118.60.280.000124.40.340.0001
GI sampling location35.40.290.000112.90.130.000112.10.130.0001
Age13.90.210.00018.50.140.000110.60.160.0001
Country of origin25.40.180.000115.60.120.000120.40.150.0001
Hypervariable region sequenced34.50.160.000122.70.110.000118.90.130.0001
Sequencing platform20.40.040.000119.00.040.000125.60.050.0001
  • a For the age category, one study was excluded due to a lack of information about the age of the pigs used. PERMANOVA, permutational multivariate analysis of variance.