Table 2.

Average nutrient intake during the experimental period, quantitative, subjective, and carcasses morphometric measurements of feedlot lambs fed diets with whole corn germ (WCG).

Item	Inclusion Level of WCG (g/kg DM)					SEM	p-Value 1
	0	30	60	90	120		L	Q
Total intake (kg)
Dry matter	72.9	70.6	64.7	55.2	59.2	2.26	<0.01	0.30
Crude protein	13.8	13.7	13.6	13.7	13.7	0.06	0.15	0.20
Ether extract	2.5	3.5	4.4	5.4	6.4	0.01	<0.01	0.27
Weights (kg)
Initial weight	26.9	28.0	26.5	25.8	25.8	-	-	-
Final weight	42.7	43.5	42.1	41.8	41.5	0.71	0.07	0.64
Hot carcass weight	18.2	17.9	18.0	18.0	18.1	0.63	0.99	0.68
Cold carcass weight	17.7	17.4	17.5	17.5	17.6	0.62	0.97	0.77
Yields (%)
Hot carcass yield	42.5	41.5	43.0	42.9	42.0	1.13	0.98	0.75
Cold carcass yield	41.3	40.3	42.0	41.8	40.7	1.10	0.96	0.63
Subjective evaluation
Conformation	3.0	2.7	3.0	2.9	2.8	0.12	0.92	0.95
Finishing	2.7	2.6	2.6	2.3	2.8	0.14	0.94	0.08
Marbling	2.3	2.1	2.1	2.2	2.2	2.12	0.95	0.56
Morphometric measurements (cm)
External length	54.5	55.0	53.5	55.1	53.8	1.02	0.74	0.91
Internal length	56.2	57.6	55.2	55.8	54.2	1.47	0.24	0.61
Leg length	36.5	35.8	35.5	36.6	34.4	0.83	0.22	0.61
Leg circumference	44.6	44.1	44.8	44.1	41.2	0.81	0.01	0.04
Chest width	25.4	24.6	24.6	24.0	24.7	0.68	0.36	0.41
Rump width	20.4	20.2	20.4	20.0	20.2	0.63	0.77	0.94
Chest depth	26.8	25.3	24.8	25.3	24.2	0.58	0.01	0.44
Rump perimeter	52.5	52.0	53.8	53.2	54.5	1.08	0.18	0.79
Longissimus lumborum muscle
Loin eye area (cm2)	10.9	10.9	10.4	11.5	11.5	0.73	0.50	0.61
Subcutaneous fat thickness (mm)	2.9	2.3	2.3	2.3	3.3	0.25	0.31	<0.01

¹ L = linear; Q = quadratic; significant at p < 0.05.