Table 1. Diet formulation (g/kg DM or as stated) of the experimental diets

Item	Treatments1)
	Control	HCP
Ingredients
Tall fescue	62	62
Ryegrass straw	62	62
Corn (flaked)	225	222
Corn (ground)	58	26
Wheat (ground)	195	202
Corn gluten feed	192	170
DDGS	41	94
Soy hulls	84	83
Whole cottonseed	28	27
Extruded linseed	5	5
Palm oil	2	3
Molasses	22	22
CMS	10	0
Urea	0	8
NH4Cl	2	2
Limestone	8	10
Salt	2	2
Vitamin and mineral mix2)	2	1

Control, containing 156 g/kg DM of CP; HCP, high level of crude protein, containing 173 g/kg DM of CP.
33,330,000 IU/kg vitamin A, 40,000,000 IU/kg vitamin D, 20.86 IU/kg vitamin E, 20 mg/kg Cu, 90 mg/kg Mn, 100 mg/kg Zn, 250 mg/kg Fe, 0.4 mg/kg I, and 0.4 mg/kg Se.
DDGS, dried distillers grain with solubles; CMS, condensed molasses fermentation solubles.