Table 2 Relative abundance of the fecal microbiota genera of three groups at weaning (d 21).

Bacteroides

13.19 ± 4.7^a

8.04 ± 3.3^b

4.20 ± 3.1^c

0.041

Prevotella

9.86 ± 6.9

8.06 ± 7.7

12.30 ± 6.1

0.428

Ruminococcus

1.57 ± 1.1

1.80 ± 1.1

1.17 ± 1.1

0.494

Lactobacillus

2.58 ± 1.4^b

4.40 ± 2.3^a

2.97 ± 2.4^ab

0.046

Parabacteroides

2.81 ± 1.6

3.72 ± 1.6

2.22 ± 1.6

0.139

Oscillospira

1.90 ± 1.3^ab

1.61 ± 0.65^b

3.21 ± 1.7^a

0.028

Phascolarctobacterium

2.50 ± 1.5^a

1.32 ± 1.1^b

1.81 ± 1.4^ab

0.010

Desulfovibrio

2.29 ± 0.86^a

1.69 ± 0.86^ab

0.96 ± 0.53^b

 < 0.01

Campylobacter

0.241 ± 0.21

0.359 ± 0.50

0.444 ± 0.45

0.589

Streptococcus

0.249 ± 0.18

0.552 ± 0.13

0.060 ± 0.025

0.308

Clostridium

1.437 ± 1.38^a

0.616 ± 0.38^ab

0.330 ± 0.30^b

0.028

Fusobacterium

0.983 ± 0.61

1.192 ± 0.95

0.741 ± 0.61

0.438

Fibrobacter

0.074 ± 0.07^a

0.016 ± 0.0^b

0.018 ± 0.0^b

0.010

Helicobacter

0.029 ± 0.02^b

0.043 ± 0.02^b

0.265 ± 0.18^a

 < 0.01

Bifidobacterium

0.014 ± 0.01

0.013 ± 0.02

0.026 ± 0.02

0.244

Christensenella

0.007 ± 0.001^b

0.021 ± 0.01^a

0.005 ± 0.003^b

0.020

Sarcina

0.004 ± 0.004^ab

0.015 ± 0.01^a

0.003 ± 0.002^b

0.027

Weissella

0.003 ± 0.003^a

0.001 ± 0.001^ab

0.0003 ± 0.0003^b

0.014

Limnohabitans

0.002 ± 0.002^b

0.024 ± 0.019^a

0.001 ± 0.001^b

0.011

Methanosphaera

0.001 ± 0.001^b

0.0001 ± 0.00003^b

0.004 ± 0.003^a

 < 0.01