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Table 7 Relative abundances of bacterial phyla, families and genera in the microbial community in ceca of broilers

From: Effect of in feed administration of different butyrate formulations on Salmonella Enteritidis colonization and cecal microbiota in broilers

Phylum

Family

Genus

Dietary treatment

Control

Wax

Fat-protected butyrate

Mean

SD

Mean

SD

Mean

SD

Firmicutes

  

91.63a

6.10

93.94a

2.92

94.57a

2.73

 

Lachnospiraceae

 

52.75a

12.17

62.48b

6.13

50.68a

11.56

  

Blautia

12.12a

4.26

16.44b

4.87

12.96ab

4.51

  

Other/uncultured

29.80a

10.22

37.83b

7.05

29.72ab

11.06

 

Ruminococcaceae

 

18.38ab

9.15

13.85a

4.85

24.15b

9.19

  

Subdoligranulum

4.56a

7.44

0.31b

0.41

5.85ab

10.65

  

Anaerotruncus

2.55a

1.66

2.23a

1.51

2.98a

1.65

  

Other/uncultured

11.03a

4.18

11.19a

4.04

14.69a

5.16

 

Lactobacillaceae

 

10.22a

8.19

3.82b

3.86

7.54ab

6.14

  

Lactobacillus

10.22a

8.19

3.82b

3.86

7.54ab

6.14

 

Streptococcaceae

 

7.91a

4.54

8.34a

4.95

7.96a

3.00

 

VadinBB60

 

1.14a

1.02

3.62b

2.33

2.44ab

2.77

 

Defluviitaleaceae

 

0.15a

0.05

0.30b

0.16

0.03b

0.14

 

Peptoniphilaceae

 

0.05a

0.04

0.01b

0.02

0.00b

0.01

 

Lachnospiraceae + Ruminococcaceae

71.13a

8.11

76.33a

6.84

74.84a

7.19

Proteobacteria

  

3.16a

5.28

0.56b

0.45

0.91b

1.32

 

Enterobacteriaceae

 

1.80a

1.21

0.54b

0.44

0.29b

1.32

  

Escherichia/Shigella

1.76a

1.17

0.54b

0.44

0.88b

1.33

Actinobacteria

  

91.64a

6.10

93.94a

2.92

94.58a

2.73

Other

  

4.69a

3.58

5.03a

2.87

4.11a

2.20

  1. At the age of 21 days after 4 days of Salmonella infection relative abundances in cecal content were determined with 16S rRNA V3–V4 amplicon sequencing. The broilers were fed a diet either or not supplemented with a butyrate containing feed additive in a concentration of 3 g/kg of sodium butyrate. Each dietary treatment consisted of 2 pens of 20 broilers.
  2. Significant differences for relative abundances of bacterial phyla, families and genera among dietary treatments are indicated with different letters per row (a, b).