Table 8 Genera composition of the cecum higher than 1% relative abundance and genera presenting significant differences at day 34 (n = 12) of the birds fed with the experimental diets (hydroxychloride trace minerals, HTM and sulphate trace minerals, STM) in high (80 mg/kg) and low (20 mg/kg) dosages

Lactobacillus

17.6 ± 5.70

17.1 ± 8.50

17.9 ± 5.50

14.7 ± 5.00

Lachnospiraceae_other

14.0 ± 3.30

15.4 ± 4.40

15.4 ± 4.60

12.1 ± 3.40

Bifidobacterium

11.5 ± 6.80

9.20 ± 7.40

7.90 ± 4.10

9.90 ± 5.10

Faecalibacterium

10.0 ± 6.70

12.7 ± 6.60

14.1 ± 5.90

12.3 ± 4.90

Ruminococcus torques g

8.40 ± 5.40

6.60 ± 2.90

7.20 ± 3.50

8.50 ± 5.20

Blautia

6.30 ± 3.30^ab

6.30 ± 4.30^ab

4.70 ± 1.40^b

7.70 ± 3.10^a

Ruminococcaceae_other

4.50 ± 1.70

3.70 ± 1.00

4.20 ± 1.40

4.50 ± 1.40

Ruminococcaceae UCG-014

3.70 ± 2.60

4.10 ± 3.20

4.70 ± 1.40

3.80 ± 1.80

Butyricicoccus

2.90 ± 1.80

3.50 ± 2.20

3.50 ± 2.40

3.40 ± 1.40

Alistipes

2.90 ± 2.00

3.10 ± 2.20

2.70 ± 2.20

2.70 ± 1.90

Ruminiclostridium 5

2.50 ± 1.80^ab

0.900 ± 0.500^b

1.90 ± 1.50^ab

2.20 ± 1.10^a

Anaerostipes

1.80 ± 2.00^ab

2.00 ± 1.30^ab

1.10 ± 0.500^b

2.20 ± 1.20^a

Sellimonas

1.50 ± 1.10

1.10 ± 0.400

1.00 ± 0.500

1.50 ± 0.600

Eubacterium hallii g

1.40 ± 1.10

1.90 ± 1.30

1.10 ± 0.700

1.50 ± 0.900

Dorea

1.30 ± 1.60

1.20 ± 1.30

1.60 ± 1.70

2.10 ± 1.70

Clostridiales_other

1.00 ± 0.700

1.10 ± 0.900

1.00 ± 0.500

1.50 ± 0.800

Eubacterium coprostanoligenes

0.930 ± 0.570

1.20 ± 0.700

0.750 ± 0.470

0.940 ± 0.590

Subdoligranulum

0.900 ± 0.790

1.20 ± 1.20

1.50 ± 1.00

0.990 ± 0.620

Firmicutes_other

0.790 ± 0.680

1.00 ± 1.00

1.10 ± 1.20

0.540 ± 0.550

Christensenellaceae R-7 g

0.210 ± 0.250^b

0.280 ± 0.250^b

0.220 ± 0.320^b

0.630 ± 0.470^a

Streptococcus

0.160 ± 0.230^b

0.380 ± 0.570^ab

0.870 ± 1.280^a

0.500 ± 0.720^ab

Ruminococcus 1

0.200 ± 0.340^ab

0.170 ± 0.300^ab

0.110 ± 0.170^b

0.270 ± 0.260^a

Ruminococcaceae UCG-004

0.180 ± 0.100^ab

0.180 ± 0.120^ab

0.160 ± 0.090^b

0.260 ± 0.070^a

CHKCI002

0.210 ± 0.080^a

0.130 ± 0.110^b

0.130 ± 0.060^b

0.160 ± 0.060^ab

Tyzzerella

0.140 ± 0.160^ab

0.090 ± 0.120^b

0.060 ± 0.060^b

0.180 ± 0.100^a

vadinBB60_uncultured

0.030 ± 0.040^b

0.190 ± 0.480^ab

0.060 ± 0.060^a

0.060 ± 0.100^ab

Anaerotruncus

0.030 ± 0.030^ab

0.060 ± 0.050^a

0.020 ± 0.010^b

0.030 ± 0.060^ab

Tyzzerella 3

0.010 ± 0.010^b

0.030 ± 0.020^a

0.020 ± 0.010^ab

0.020 ± 0.010^ab

Eubacterium nodatum g

0.010 ± 0.010^ab

0.020 ± 0.020^ab

0.010 ± 0.010^b

0.020 ± 0.010^a

Ruminococcaceae_uncultured

0.010 ± 0.014^ab

0.004 ± 0.006^ab

0.001 ± 0.001^b

0.006 ± 0.006^a

Family XIII AD3011 g

0.009 ± 0.008^ab

0.009 ± 0.006^ab

0.009 ± 0.008^b

0.022 ± 0.008^a

Eubacterium brachy g

0.007 ± 0.011^b

0.015 ± 0.023^ab

0.010 ± 0.017^b

0.032 ± 0.018^a

vadinBB60_other

0.006 ± 0.015^b

0.009 ± 0.018^b

0.031 ± 0.020^a

0.004 ± 0.005^b

Pygmaiobacter

0.006 ± 0.014^b

0.007 ± 0.009^ab

0.005 ± 0.009^b

0.074 ± 0.150^a

Family XIII UCG-001 g

0.004 ± 0.007^b

0.014 ± 0.011^a

0.006 ± 0.007^b

0.017 ± 0.009^a

vadinBB60_uncultured Firm.

0.004 ± 0.008^ab

0.008 ± 0.018^ab

0.014 ± 0.012^a

0.004 ± 0.007^b

Brachybacterium

0.003 ± 0.012^ab

0.004 ± 0.011^a

0.001 ± 0.003^ab

0.000 ± 0.000^b

Peptococcaceae_other

0.001 ± 0.001^ab

0.002 ± 0.006^ab

0.000 ± 0.001

0.002 ± 0.003^a