Table 5. Microbial abundance after in vitro incubation of treatments using buffered rumen fluid

Items	Treatment				SEM	p-value
Items	RGP	CGF	WG	CGM	SEM	p-value
Absolute abundance¹⁾
General bacteria	11.25	11.27	11.37	11.30	0.064	0.31
Ciliate protozoa	8.40	8.32	8.63	8.08	0.237	0.19
Methanogenic archaea	9.50^c	9.70^bc	9.94^a	9.93^ab	0.079	< 0.03
Prevotella ruminicola	10.44^a	10.24^ab	10.16^b	10.28^ab	0.069	< 0.01

Values in the same row with different letters differ significantly (p < 0.05).
The absolute abundance of each bacteria expressed as follows: log₁₀/mL of rumen fluid.
RGP, red ginseng byproduct; CGF, corn gluten feed; WG, wheat gluten; CGM, corn germ meal.