Table 2.

Effects of tributyrin on growth and slaughter performances of weaned Small-Tailed Han female lambs.

Items	Tributyrin additions, g/kg DM basis					SEM	P-values1
	0	0.5	1.0	2.0	4.0		Contrast	Linear	Quadratic
Daily BW gain, g/d	65.0b	88.6ab	90.5ab	91.6ab	108.1a	12.28	0.04	0.03	0.96
DMI, kg/d	0.87c	0.92bc	0.95b	0.96b	1.04a	0.022	<0.01	<0.01	0.64
Ratio of feed to BW, kg/kg	13.4a	10.8ab	10.5ab	10.4ab	9.6b	1.24	0.02	0.01	0.56
Carcass, kg	13.7	14.5	14.7	14.5	15.4	0.99	0.35	0.30	0.90
Slaughter ratio, %	44.3	44.3	44.3	44.3	44.8	0.51	0.58	0.09	0.59

^a-c Values within a row with no common superscripts differ significantly (P < 0.05).

¹Linear, linear effect of tributyrin; Quadratic, quadratic effect of tributyrin.