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Table I.

Average daily feed consumption data for the cows fed TMR and TMR plus pasture diet.

TMR1 (CTRL) TMR + pasture (30P) TMR + pasture (70P)
Diet (TMR + pasture) in kg
Triticale silage 15.2 9.6 4.0
Corn silage 9.1 5.8 2.4
Citrus pulp 9.1 5.8 2.4
Hay graminacee 4.6 2.9 1.2
Soybean F.E. 44 3.0 1.9 0.9
Soybean roast 0.5 0.3 0.1
Barley 1.0 0.6 0.3
Corn meal 5.0 3.1 1.3
Megalac 0.2 0.2 0.1
Concentrate supplement 1.5 1.0 0.4
Intake TMR (DM) 21.8 13.8 5.7
Intake pasture (DM) 6.0 12.2
Diet composition from CNCPS2
NDF3 (% DM) 39.7 39.3 43
NEL 4 (Mcal·kg−1 DM) 1.6 1.5 1.3
CP5 (% DM) 16.1 17.3 16.4
PS6 (% CP) 27.2 30.1 32.9
RUP7 (% CP) 37.4 33.8 31.8
NFC8 (% DM) 34.7 33.2 28.7

1TMR = total mix ration; 2CNCPS = cornell net carbohydrate protein system; 3NDF = neutral fibre detergent; 4NEL = net energy for milk production; 5CP = crude protein; 6PS = soluble protein; 7RUP = ruminal degradable protein; 8NFC = non fibre carbohydrate.