Post-ruminal effects of rumen-protected methionine supplementation with low protein diet using long-term simulation and in vitro digestibility technique

AMB Express

Table 6 Low dietary protein with rumen-protected methionine supplementation effects on daily production of total and individual volatile fatty acids using an in vitro ileum digestibility technique (means; n = 4)

Items	Treatments				SEM	P value
Items	HP	LP	LPLM	LPHM	SEM	P value
Total VFA (mM)	29.18^a	23.02^b	24.44^b	28.26^a	0.98	0.00
Acetate (mM)	19.78^a	16.14^b	17.20^b	19.31^a	0.57	0.00
Propionate (mM)	4.92^a	4.05^b	4.29^b	4.82^a	0.14	0.00
Isobutyrate (mM)	0.04	0.03	0.03	0.03	0.00	0.24
Butyrate (mM)	2.74^a	1.77^b	1.87^b	2.46^a	0.15	0.00
Isovalerate (mM)	0.57	0.43	0.45	0.59	0.03	0.11
Valerate (mM)	1.13^a	0.59^b	0.60^b	1.04^a	0.09	0.00
Acetate:propionate ratio	4.02	3.98	4.00	4.00	0.02	0.96

VFA volatile fatty acids, SEM standard error of the mean
^a,b Superscripts values within the same row are significantly different at (P < 0.05)