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Table 1 Relative abundance of the top five predominant classes and genera during each period of development

From: Longitudinal study of the early-life fecal and nasal microbiotas of the domestic pig

Age Range (days)

Dominant classes (Mean relative abundance, %)

Dominant genera (Mean relative abundance, %)

Fecal

Nasal

Fecal

Nasal

1–3

Clostridia (44.5)

Gammaproteobacteria (37.7)

Clostridium (17.9)

Moraxella (24.2)

Gammaproteobacteria (27.1)

Bacilli (27.5)

Escherichia (15.0)

Rothia (14.9)

Fusobacteria (14.0)

Actinobacteria (17.6)

Fusobacterium (10.5)

Clostridium (10.4)

Bacilli (6.0)

Clostridia (13.7)

Clostridium XIVa (4.3)

Globicatella (9.9)

Bacteroidia (2.8)

Betaproteobacteria (1.5)

Lactobacillus (4.2)

Actinobacillus (5.3)

7–21

Clostridia (44.5)

Gammaproteobacteria (49.3)

Clostridium (8.8)

Moraxella (46.7)

Gammaproteobacteria (10.8)

Clostridia (27.9)

Escherichia (8.6)

Clostridium (16.5)

Bacilli (10.4)

Bacilli (11.1)

Lactobacillus (8.2)

Lactobacillus (3.9)

Bacteroidia (5.9)

Betaproteobacteria (3.2)

Clostridium XIVa (7.4)

unclassified Firmicutes (3.4)

Erysipelotrichia (4.1)

Actinobacteria (2.8)

unclassified Firmicutes (5.2)

Kingella (2.8)

28–35

Clostridia (29.1)

Gammaproteobacteria (47.5)

Megasphaera (14.0)

Moraxella (40.0)

Negativicutes (26.5)

Bacilli (27.9)

Lactobacillus (12.3)

Lactobacillus (21.2)

Bacilli (15.6)

Clostridia (17.1)

Clostridium (4.6)

Blautia (3.0)

Gammaproteobacteria (6.7)

Erysipelotrichia (2.9)

unclassified Firmicutes (4.2)

Erysipelotrichaceae incertae sedis (2.9)

Erysipelotrichia (4.2)

Betaproteobacteria (1.0)

Succinivibrio (4.1)

Staphylococcus (2.4)

42–49

Negativicutes (32.4)

Gammaproteobacteria (59.5)

Megasphaera (21.2)

Moraxella (56.5)

Clostridia (31.7)

Bacilli (15.7)

Lactobacillus (12.3)

Lactobacillus (11.1)

Bacilli (17.4)

Clostridia (15.1)

Roseburia (4.2)

Kingella (3.2)

Erysipelotrichia (5.4)

Betaproteobacteria (3.4)

unclassified Firmicutes (3.9)

unclassified Firmicutes (2.9)

Bacteroidia (3.7)

Erysipelotrichia (2.2)

Erysipelotrichaceae incertae sedis (3.9)

Blautia (2.3)