Diet compositions.

1LMF, low-concentrate mixed forage diet; HCS, high-concentrate corn straw diet; LCS, low-concentrate corn straw diet.2Premix contains: 2,142 mg/kg Cu (as sulfate); 15,428 mg/kg Mn (as sulfate); 15,428 mg/kg Zn (as sulfate); 28 mg/kg Co (as chloride); 231 mg/kg I (as iodate); 57 mg/kg Se (as selenite); 2,285,000 IU/kg vitamin A; 457,000 IU/kg vitamin D; and 11,400 mg/kg vitamin E.3Non-fiber carbohydrate = 100−(% Neutral detergent fiber+% Crude protein+% Ether extract+% Ash).Diet compositions.