Table 3.

The copy numbers of Methanobrevibacter, M. smithii and M. boviskoreani in samples from pigs of the four groups

Methanogen group	Piglet-C	Piglet-P	P-Value	Finisher-C	Finisher-P	P-Value
Methanobrevibacter	4.00 × 106 ± 2.43 × 106	9.43 × 106 ± 1.81 × 106	0.00	6.90 × 106 ± 5.55 × 106	1.00 × 108 ± 6.17 × 106	0.00
M. smithii	4.82 × 105 ± 2.51 × 105	2.58 × 104 ± 4.72 × 104	0.00	1.29 × 106 ± 1.46 × 106	1.88 × 107 ± 1.09 × 107	0.00
M. boviskoreani	1.47 × 105 ± 2.51 × 105	2.39 × 105 ± 1.60 × 105	0.03	1.93 × 104 ± 5.79 × 104	4.35 × 104 ± 1.44 × 105	0.61
Methanobrevibacter%	0.97 ± 0.03	0.61 ± 0.07	0.00	0.87 ± 0.08	0.78 ± 0.05	0.02

The real-time PCR data are shown as Mean ± Standard Deviation (SD)