Table 3.

BW, nutrient intake and total-tract apparent digestibility in feedlot cattle fed diets varying in percentage of barley silage

	Barley silage, % of dietary DM					P-value1
Item	0	4	8	12	SEM	Silage	Linear	Quadratic
BW, kg	726	724	720	745	—	—	—	—
Intake, kg/d
DM	10.5	10.9	11.1	10.7	0.47	0.52	0.15	0.96
OM	9.7	10.0	9.4	10.1	0.57	0.51	0.54	0.17
ADF	0.655	0.675	0.725	0.864	0.0604	0.011	0.92	0.077
NDF	2.36	2.37	2.38	2.71	0.155	0.12	0.60	0.15
CP	1.50	1.50	1.45	1.58	0.093	0.64	0.49	0.37
Starch	5.09	5.18	4.71	4.54	0.289	0.052	0.51	0.81
Digestibility, %
DM	86.0	82.1	81.1	79.5	1.01	<0.001	<0.001	<0.001
OM	87.2	83.7	82.4	81.1	0.93	<0.001	<0.001	<0.001
ADF	53.5	40.2	41.9	44.3	3.45	0.023	0.009	0.085
NDF	68.9	59.5	59.3	59.0	2.50	0.010	0.008	0.033
CP	81.7	76.8	77.3	75.9	1.59	0.018	0.038	0.020
Starch	98.9	98.0	98.0	96.8	0.28	<0.001	0.067	<0.001

¹ P-values indicate overall silage, linear, and quadratic effects.