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Table 3 Average relative abundance of main taxonomic groups in representative fecal samples from three dietary treatments at Phase II and Phase III, %

From: Investigating the effects of peptide-based, MOS and protease feed additives on the growth performance and fecal microbial composition of weaned pigs

OTUs

ConII1

ConIII2

PmII3

PmIII4

PmPII5

PmPIII6

Actinobacteria#

2.26ac

0.69b

3.03a

1.13bc

2.69a

0.83b

Bacteroidetes

12.95

8.59

10.54

7.27

14.25

6.83

Bacteroidaceae#

1.31a

0.05b

0.45a

0.85abc

0.54ac

0.10c

Porphyromonadaceae

1.16

4.38

2.21

0.28

1.31

0.38

Prevotellaceae

9.20

5.70

5.79

5.31

9.89

5.43

Other Bacteroidetesa

1.28

2.41

2.10

0.83

2.52

0.93

Firmicutes

79.39

83.67

80.65

87.56

78.55

87.71

Acidaminococcaceae#

3.38ab

0.14b

1.59a

0.32ab

1.36a

0.19b

Clostridiaceae 1

2.41

4.70

1.80

4.38

2.50

2.05

Cl Inc Sedis_XIII#

2.36abc

0.96b

3.65a

1.31bc

4.28ac

1.03b

Erysipelotrichacea#

15.47abc

7.49b

19.66c

10.27ab

22.11ac

7.18b

Eubacteriaceae#

1.44ad

0.17cd

0.75ad

0.19bcd

0.56d

0.11bc

Lachnospiraceae#

19.64

9.18

16.48

13.16

10.52

13.82

Lactobacillaceae#

3.14a

21.64bc

8.90ac

21.22b

4.41a

15.40bc

Peptostreptococcaceae#

0.20a

2.68b

0.28a

2.71b

0.95a

1.82b

Ruminococcaceae

21.16

17.56

16.40

14.23

19.67

15.27

Streptococcaceae#

0.35a

5.15b

2.05a

10.32bc

1.39a

19.60c

Other Firmicutes&

9.84

13.99

9.09

9.47

10.81

11.24

Proteobacteria#

0.73ab

0.77ab

1.11a

0.37ab

0.45ab

0.17b

Spirochaetes

2.06

0.55

2.02

0.56

1.40

0.29

Other phyla$

0.69

0.59

0.43

0.45

0.66

0.80

Unclassified bacteria$

1.92

5.14

2.22

2.65

1.99

3.36

  1. Different superscripts in the same row indicate that taxa were significantly different by the Wilcoxon pairwise test (P < 0.05)
  2. 1Control Phase II; 2Control Phase III; 3Peptiva + MOS Phase II; 4Peptiva + MOS Phase III; 5Peptiva + MOS + protease Phase II; 6Peptiva + MOS + protease Phase III
  3. # Taxa showing a statistically significant difference (P < 0.05) across all 6 groups based on the Kruskal-Wallis rank sum test
  4. aStatistical test not performed due to heterogeneity of taxonomic group