Table 2.

Effects of 0%, 5%, 10%, and 20% of dietary crude glycerin on feed intake and apparent digestibility of goats

Item	Dietary crude glycerin (%)				SEM2	Contrasts, p-value1
	0	5	10	20		L	Q	C
DMI (kg/d)
Total DMI (kg/d)	0.908	0.946	0.970	0.915	0.03	0.83	0.31	0.74
DMI (% BW)	2.82	3.12	3.23	2.89	0.14	0.78	0.22	0.82
DMI (g/kg W0.75)	67.29	73.36	75.69	68.49	3.12	0.79	0.21	0.80
OMI (kg/d)	0.850	0.888	0.915	0.859	0.03	0.77	0.27	0.70
CPI (kg/d)	0.140	0.145	0.148	0.141	0.01	0.83	0.41	0.75
NDFI (kg/d)	0.400	0.401	0.371	0.357	0.01	0.07	0.71	0.57
ADFI (kg/d)	0.176	0.189	0.194	0.174	0.01	0.99	0.08	0.67
Apparent digestibility (%)
DM	71.92	75.22	74.22	75.86	3.60	0.44	0.79	0.62
OM	73.37	76.48	76.28	77.27	3.32	0.38	0.71	0.73
CP	75.73	79.21	79.45	79.28	3.17	0.42	0.54	0.83
EE	82.41	83.50	84.98	85.06	2.07	0.30	0.77	0.58
NDF	61.30	61.06	54.89	53.67	4.95	0.15	0.91	0.57
ADF	36.98	43.05	36.16	29.82	6.47	0.25	0.26	0.57

^a-cMeans within rows followed with different superscript letters are statistically different (p<0.05).

¹Linear (L), quadratic (Q), and cubic (C) effects of CGLY.

²SEM = Standard error of the mean (n = 4).