Table 6 Mean of relative abundance (%) ± SD of the most prevalent phyla, classes, orders, families, and genera found in SMMC

 Bacteroidetes

8.15 ± 6.71

9.28 ± 5.61

0.878

 Firmicutes

14.82 ± 16.38

8.65 ± 7.18

0.810

 Proteobacteria

58.77 ± 10.48

53.18 ± 20.76

0.617

 Tenericutes

17.36 ± 9.49

28.19 ± 15.54

0.228

 Bacteroidia

4.22 ± 4.88

3.17 ± 2.41

0.683

 Cytophagia

0.80 ± 0.70

1.09 ± 0.82

0.802

 Flavobacteriia

2.14 ± 1.21

3.74 ± 2.27

0.375

 Sphingobacteriia

0.72 ± 0.49

0.93 ± 0.73

0.855

 Bacilli

0.62 ± 0.63

0.29 ± 0.29

0.198

 Clostridia

14.21 ± 16.56

8.35 ± 7.22

0.936

 Alphaproteobacteria

3.80 ± 4.18

1.28 ± 0.90

0.153

 Betaproteobacteria

8.17 ± 1.81

6.20 ± 4.24

0.247

 Epsilonproteobacteria

0.18 ± 0.17

0.33 ± 0.25

0.397

 Gammaproteobacteria

46.34 ± 7.74

45.12 ± 17.46

0.874

 Mollicutes

17.36 ± 9.49

28.19 ± 15.54

0.228

 Bacteroidales

4.22 ± 4.89

3.17 ± 2.41

0.683

 Cytophagales

0.80 ± 0.70

1.09 ± 0.82

0.802

 Flavobacteriales

2.14 ± 1.21

3.74 ± 2.27

0.375

 Sphingobacteriales

0.72 ± 0.49

0.93 ± 0.73

0.855

 Bacillales

0.39 ± 0.49

0.15 ± 0.18

0.211

 Lactobacillales

0.23 ± 0.17

0.14 ± 0.11

0.275

 Clostridiales

14.21 ± 16.56

8.35 ± 7.22

0.936

 Rhizobiales

1.65 ± 3.49

0.30 ± 0.30

0.936

 Burkholderiales

1.30 ± 1.51

3.60 ± 3.99

0.261

 Neisseriales

5.94 ± 2.73

1.70 ± 2.45

0.013

 Campylobacterales

0.18 ± 0.17

0.33 ± 0.25

0.397

 Aeromonadales

27.21 ± 9.10

19.20 ± 9.11

0.154

 Alteromonadales

3.69 ± 6.17

3.04 ± 2.49

0.969

 Enterobacteriales

8.09 ± 5.16

2.96 ± 4.72

0.093

 Pseudomonadales

5.43 ± 4.95

18.81 ± 23.79

0.471

 Xanthomonadales

1.93 ± 1.68

1.12 ± 0.71

0.328

 Mycoplasmatales

17.36 ± 9.49

28.20 ± 15.55

0.227

 Porphyromonadaceae

3.64 ± 4.23

2.66 ± 2.17

0.636

 Cytophagaceae

0.79 ± 0.71

1.08 ± 0.82

0.799

 Flavobacteriaceae

1.50 ± 1.06

2.69 ± 1.87

0.368

 [Weeksellaceae]

0.57 ± 0.29

0.99 ± 0.93

0.633

 Sphingobacteriaceae

0.70 ± 0.48

0.90 ± 0.72

0.854

 [Exiguobacteraceae]

0.13 ± 0.12

0.09 ± 0.11

0.367

 Lactobacillaceae

0.02 ± 0.04

0.03 ± 0.06

0.549

 Clostridiaceae

0.34 ± 0.21

6.68 ± 8.17

0.013

 Ruminococcaceae

12.65 ± 17.33

0.63 ± 1.35

0.170

 [Acidaminobacteraceae]

1.12 ± 1.48

0.95 ± 0.59

0.887

 Caulobacteraceae

0.47 ± 0.53

0.30 ± 0.16

0.810

 Bradyrhizobiaceae

1.15 ± 2.77

0.03 ± 0.03

0.683

 Rhodobacteraceae

0.55 ± 0.62

0.16 ± 0.15

0.133

 Comamonadaceae

0.48 ± 0.70

0.73 ± 0.42

0.433

 Oxalobacteraceae

0.82 ± 0.81

2.87 ± 3.86

0.173

 Neisseriaceae

5.94 ± 2.73

1.70 ± 2.45

0.013

 Campylobacteraceae

0.18 ± 0.17

0.33 ± 0.25

0.397

 Aeromonadaceae

27.21 ± 9.10

19.20 ± 9.11

0.154

 Alteromonadaceae

0.31 ± 0.15

0.91 ± 1.55

0.936

 [Chromatiaceae]

3.36 ± 6.09

2.11 ± 1.23

0.378

 Enterobacteriaceae

8.09 ± 5.16

2.96 ± 4.72

0.092

 Moraxellaceae

1.81 ± 1.60

15.47 ± 22.04

0.298

 Pseudomonadaceae

3.62 ± 3.35

3.33 ± 2.08

0.818

 Xanthomonadaceae

1.93 ± 1.68

1.12 ± 0.71

0.328

 Mycoplasmataceae

17.36 ± 9.49

28.20 ± 15.55

0.228

 Paludibacter

3.60 ± 4.21

2.61 ± 2.15

0.629

 Emticicia

0.21 ± 0.11

0.65 ± 0.53

0.197

 Flavobacterium

1.49 ± 1.04

2.54 ± 1.92

0.440

 Chryseobacterium

0.54 ± 0.31

0.92 ± 0.89

0.662

 Sphingobacterium

0.44 ± 0.26

0.52 ± 0.47

0.964

 Exiguobacterium

0.13 ± 0.12

0.09 ± 0.11

0.369

 Lactobacillus

0.02 ± 0.04

0.02 ± 0.05

0.549

 Janthinobacterium

0.54 ± 0.64

2.29 ± 3.78

0.378

 Deefgea

5.85 ± 2.90

1.58 ± 2.48

0.017

 Arcobacter

0.18 ± 0.17

0.33 ± 0.25

0.397

 Cellvibrio

0.31 ± 0.15

0.91 ± 1.55

0.936

 Rheinheimera

3.36 ± 6.09

2.11 ± 1.23

0.378

 Citrobacter

7.11 ± 5.75

2.66 ± 4.54

0.471

 Escherichia

0.53 ± 0.80

0.02 ± 0.05

0.253

 Acinetobacter

1.46 ± 1.27

12.87 ± 18.51

0.185

 Enhydrobacter

0.23 ± 0.24

2.32 ± 3.30

0.183

 Pseudomonas

2.44 ± 2.13

1.92 ± 1.06

0.604

 Pseudoxanthomonas

0.80 ± 1.13

0.41 ± 0.33

0.486

 Stenotrophomonas

0.67 ± 0.50

0.43 ± 0.30

0.406