Parameter	Treatment¹			SEM	p<²
Parameter	T3.5	T7.0	T10.5	SEM	Treat	Hour	Treat * Hour
Total VFA, mmol∙L⁻¹	176.1^a	129.4^b	133.9^b	6.62	0.01	0.01	0.22
Ac, mmol∙L⁻¹	105.9^a	77.0^b	83.7^b	4.12	0.01	0.01	0.29
Ac, mol 100 mol⁻¹	60.0	59.3	62.6	0.89	0.07	0.74	0.93
Pr, mmol∙L⁻¹	41.6	31.9	29.1	4.54	0.24	0.01	0.16
Pr, mol 100 mol⁻¹	23.7	24.7	21.6	0.92	0.11	0.78	0.98
Butyrate, (mmol∙L⁻¹)	22.0^a	14.1^b	15.5^b	0.76	0.01	0.01	0.16
Butyrate, mol 100 mol⁻¹	11.9	10.9	11.5	0.12	0.11	0.01	0.13
Ac:Pr ratio	2.59	2.55	2.95	0.35	0.70	0.08	0.21
pH	6.07^a	6.03^ab	5.81^b	0.07	0.02	0.04	0.66
NH₃-N, mg∙dl⁻¹	49.11^a	44.63^ab	36.17^b	5.49	0.01	0.09	0.94