Table 2. Effects of LPC supplement levels on digestibility and fermentation characteristics incubated with rumen buffer for 24 h

Item	LPC supplement levels (%)			SEM	Contrasts
	0	10	20		Linear	Quadratic
Digestibility (% DM)
IVDMD	61.7	56.5	55.2	4.585	0.119	0.406
IVOMD	56.3	56.0	54.0	2.124	0.122	0.757
Fermentation characteristics
pH	6.42ab	6.47a	6.37b	0.044	0.126	0.015
Ammonia-N (mg/dL)	14.9	11.2	11.9	2.151	0.135	0.195
Total VFA (mM /L)	91.9	92.9	89.8	5.454	0.122	0.190
Acetate (% of M)	63.7	62.9	63.3	0.814	0.437	0.235
Propionate (% of M)	23.7	23.7	24.1	0.405	0.191	0.335
Butyrate (% of M)	10.1	10.5	10.0	0.442	0.710	0.088
A:P ratio	2.70a	2.65ab	2.62b	0.035	0.007	0.478

Means in the same row with different superscripts differ significantly (p < 0.05).