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

AMB Express

Table 4 Effects of rumen-protected methionine supplementation with low dietary protein on the post-ruminal production of NH₃-N and Rusitec pH using a rumen simulation technique and in vitro digestibility technique (means; n = 4)

Items	Treatments				SEM	P value
Items	HP	LP	LPLM	LPHM	SEM	P value
pH before feeding^a	6.60	6.65	6.62	6.64	0.01	0.83
pH after feeding (0–24 h)^a	6.65	6.68	6.37	6.73	0.01	0.20
Abomasum NH₃-N (mg/100 mL)	5.72	4.45	4.95	5.78	0.27	0.24
Ileum NH₃-N (mg/100 mL)	16.27	15.06	15.91	16.23	0.59	0.93