. 2020 Mar 25;98(3):skaa070. doi: 10.1093/jas/skaa070

Table 7.

Apparent digestibility of nutrients and ruminal fermentation parameters including volatile fatty acid (VFA) concentration for HFI, MFI, and LFI groups

Item	LFI (n = 6)¹	MFI (n = 6)	HFI (n = 6)	SEM	P-value
Apparent digestibility, g/kg
OM	70.44	71.86	72.99	0.79	0.44
CP	69.04	70.27	69.48	0.67	0.77
EE	81.54	84.75	85.10	1.37	0.53
NDF	47.83	50.16	51.95	1.30	0.46
ADF	36.90^b	45.30^a	44.78^a	1.62	0.05
HCEL	56.78	58.54	62.43	1.57	0.34
CEL	48.83^b	58.52^a	57.48^a	1.61	0.02
pH	6.43^b	6.8^a	6.68^a	0.05	0.00
N-NH_3, mg/d	6.68	5.77	5.62	0.54	0.71
Microbial CP, mg/mL	0.31	0.35	0.45	0.04	0.41
VFA, mol/100 mol
Acetate	59.39	59.57	62.67	1.47	0.62
Propionate	24.66^b	27.80^b	30.03^a	0.87	0.03
Butyrate	10.96^b	11.73^b	13.80^a	0.50	0.04
Total VFA	98.18	102.88	110.67	2.43	0.10
Acetate/Propionate ratio	2.42	2.42	2.11	0.07	0.17

¹ n = number of cows.

^a,bDifferent superscript letters within rows suggest that means differ significantly (P < 0.05) among different feed intake groups.